Chandrasekhar K, Kapoor J, Anishetty S.. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 34(3), 255-262. (2012)

PMID 23439798 →

Cited in: Ashwagandha: separating the evidence from the marketing, How to read a supplement facts label: what the marketing doesn't..., L-theanine and caffeine: why the combination outperforms either ..., Rhodiola rosea: the adaptogen with the strongest evidence, Why standard supplement dosing is designed to keep you buying, n..., The Best AG1 Alternatives in the UK (2026 Buying Guide), Adaptogens — What the Evidence Actually Shows, Ashwagandha Benefits — What the Evidence Actually Shows, Supplements for Stress and Anxiety — What the Evidence Shows (UK..., Adaptogens & ashwagandha: what the evidence shows

Carr AC & Maggini S. Vitamin C and Immune Function. Nutrients. (2017)

PMID 29099763 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it..., Why standard supplement dosing is designed to keep you buying, n..., The Best AG1 Alternatives in the UK (2026 Buying Guide), All-in-One Supplements UK — A Complete Buyer's Guide, Why Supplement Labels Lie — A Guide to Proprietary Blends, Daily vitamin powder: What the evidence shows, Immune Defence: An Evidence Guide to How the Body Protects Itsel..., Immune support supplement: what the evidence shows

Akhgarjand C, Asoudeh F, Bagheri A, et al.. Does Ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trials. Phytotherapy Research, 36(11), 4115-4124. (2019)

PMID 34254920 →

Cited in: Ashwagandha: separating the evidence from the marketing, Ashwagandha Benefits — What the Evidence Actually Shows, Supplements for Stress and Anxiety — What the Evidence Shows (UK..., Adaptogens & ashwagandha: what the evidence shows, The Sleep Quality Evidence Guide: What the Research Actually Say...

Kreider et al. (2017)

PMID 28615996 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it..., All-in-one supplement vs. a separate stack: what the evidence sa..., Why standard supplement dosing is designed to keep you buying, n..., All-in-One Supplements UK — A Complete Buyer's Guide, Daily vitamin powder: What the evidence shows

Ried K et al.. "Aged garlic extract reduces blood pressure in hypertensives: a dose-response trial." (2016)

PMID 26764326 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it..., All-in-one supplement vs. a separate stack: what the evidence sa..., The Best AG1 Alternatives in the UK (2026 Buying Guide), Best Greens Powders UK 2026 — An Evidence-Based Comparison, All-in-One Supplements UK — A Complete Buyer's Guide

Bannai M, Kawai N, Ono K, Nakahara K, Murakami N.. The Effects of Glycine on Subjective Daytime Performance in Partially Sleep-Restricted Healthy Volunteers. Frontiers in Neurology, 3, 61. (2012)

PMID 22293292 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose, The Kōjō formula: why we built it, what we changed, and where it..., Why standard supplement dosing is designed to keep you buying, n..., Magnesium Supplements UK — The Complete Guide to Forms and Evide..., High cortisol levels and sleep: what the evidence shows

Chandrasekhar K, Kapoor J, Anishetty S.. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 34(3), 255, 262. (2019)

PMID 31517876 →

Cited in: Adaptogens — What the Evidence Actually Shows, Supplements for Stress and Anxiety — What the Evidence Shows (UK..., High cortisol levels and sleep: what the evidence shows, Stress & Cortisol: An Evidence Guide to What Actually Happens in...

Gleeson (2014)

PMID 23765353 →

Cited in: Immune support supplement: what the evidence shows, Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Bizzarini and De Angelis (2003)

PMID 12701815 →

Cited in: How to read a supplement facts label: what the marketing doesn't..., Why standard supplement dosing is designed to keep you buying, n..., Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing, Daily vitamin powder: What the evidence shows

Rawson ES & Volek JS. Effects of creatine supplementation and resistance training on muscle strength and weightlifting performance. Journal of Strength and Conditioning Research. (2003)

PMID 12945830 →

Cited in: The Rōnin mindset: why we called the brand Kōjō, The Kōjō formula: why we built it, what we changed, and where it..., The Best AG1 Alternatives in the UK (2026 Buying Guide), Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Goh et al. (2025)

PMID 39770987 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Gutiérrez-Hellín et al. (2025)

PMID 39796530 →

Cited in: Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety..., Benefits of creatine for men over 40: what the data says, Energy & Fatigue: An Evidence Guide to Why You're Tired and What...

Minihane (2025)

PMID 40444522 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows, Supplement for brain health UK: what the evidence says

Mikulic et al. (2024)

PMID 38042412 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Patel et al. (2024)

PMID 38233048 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Singh et al. (2023)

PMID 37172725 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Forbes et al. (2022)

PMID 35267907 →

Cited in: Cognitive supplement UK: what the evidence actually shows, Natural sleep supplement UK: what the evidence shows, Supplement for brain health UK: what the evidence says

Berger et al. (2022)

PMID 35365361 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Kater et al. (2022)

PMID 35843709 →

Cited in: High cortisol insomnia: what the evidence shows, Cortisol and sleeplessness: What the evidence shows, Can high cortisol cause insomnia?

Yeung et al. (2022)

PMID 36141627 →

Cited in: Energy supplement powder: What the evidence shows, Complete nutrition powder: what the evidence shows, Daily supplement powder: what the evidence shows

Hitch et al. (2022)

PMID 36180583 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Collins et al. (2021)

PMID 33097528 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Antonio et al. (2021)

PMID 33557850 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety..., Supplement for muscle recovery: what works

Roschel et al. (2021)

PMID 33578876 →

Cited in: Cognitive supplement UK: what the evidence actually shows, Supplement for muscle recovery: what works, Supplement for brain health UK: what the evidence says

Clayton et al. (2021)

PMID 34069940 →

Cited in: Natural sleep supplement UK: what the evidence shows, Supplement for brain health UK: what the evidence says, Supplement for inflammation UK: what the data says

Majeed M, Nagabhushanam K, Mundkur L.. A standardized Ashwagandha root extract alleviates stress, anxiety, and improves quality of life in healthy adults: A randomized, double-blind, placebo-controlled trial. Medicine. (2020)

PMID 32021735 →

Cited in: Ashwagandha: separating the evidence from the marketing, Adaptogens — What the Evidence Actually Shows, Adaptogens & ashwagandha: what the evidence shows

Langade D, Kanchi S, Salve J, Debnath K, Ambegaokar D.. Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Insomnia and Anxiety: A Double-blind, Randomized, Placebo-controlled Study. Cureus, 11(9), e5797. (2020)

PMID 32540634 →

Cited in: Ashwagandha: separating the evidence from the marketing, Ashwagandha Benefits — What the Evidence Actually Shows, High cortisol levels and sleep: what the evidence shows

Langade D, Kanchi S, Salve J, Debnath K, Ambegaokar D.. Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Insomnia and Anxiety: A Double-blind, Randomized, Placebo-controlled Study. Cureus. (2019)

PMID 31728244 →

Cited in: Ashwagandha: separating the evidence from the marketing, Ashwagandha Benefits — What the Evidence Actually Shows, The Sleep Quality Evidence Guide: What the Research Actually Say...

Ceccato et al. (2017)

PMID 27160717 →

Cited in: Cortisol high at night: What the evidence shows, Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

PMID: 28879195 (2017)

PMID 28879195 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK), Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

PMID: 26764327 (2016)

PMID 26764327 →

Cited in: Why standard supplement dosing is designed to keep you buying, n..., Supplements for Women — Evidence-Based Nutritional Needs (UK), Perimenopause Supplements UK — What the Evidence Shows

Owens et al. (2015)

PMID 25131312 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Diment et al. (2012)

PMID 21822678 →

Cited in: Immune support supplement UK daily: what holds up, Immune support supplement UK daily: what actually works, Immune support supplement UK daily: what works

Panossian A, Wikman G.. Evidence-based efficacy of adaptogens in fatigue, and molecular mechanisms related to their stress-protective activity. Curr Clin Pharmacol. (2009)

PMID 19016404 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence, Adaptogens — What the Evidence Actually Shows, Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Bemben & Lamont (2005)

PMID 17828627 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide, Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing, Cognitive supplement UK: what the evidence actually shows

Peters EM, Anderson R, Nieman DC, Fickl H, Jogessar V.. Vitamin C supplementation attenuates the increases in circulating cortisol, adrenaline and anti-inflammatory polypeptides following ultramarathon running. International Journal of Sports Medicine, 22(7), 537, 543. (2002)

PMID 11862365 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of..., Supplements for Stress and Anxiety — What the Evidence Shows (UK..., High cortisol levels and sleep: what the evidence shows

Xu et al. (2026)

PMID 39070254 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety...

Piquero-Casals et al. (2026)

PMID 39911983 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Lellig et al. (2025)

PMID 39385670 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says, Hormonal Health: An Evidence Guide to How the Endocrine System A...

Karasaki (2025)

PMID 39882336 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide), Aged garlic extract benefits: what the evidence shows

Liu et al. (2025)

PMID 39960018 →

Cited in: Cortisol high at night: What the evidence shows, High nighttime cortisol levels: what the evidence shows

Andreadi et al. (2025)

PMID 40076739 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Ferrari et al. (2025)

PMID 40172910 →

Cited in: High cortisol symptoms sleep: What the evidence shows, Sleep and cortisol: What the evidence shows

Naderi et al. (2025)

PMID 40221559 →

Cited in: Antioxidant supplement UK: what the evidence shows, Supplement for muscle recovery: what works

Salardini et al. (2025)

PMID 40271551 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Smith et al. (2025)

PMID 40395689 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety...

Brückner et al. (2025)

PMID 40403587 →

Cited in: Insomnia cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Lucke-Wold et al. (2025)

PMID 40440029 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Patel et al. (2025)

PMID 40896024 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Juliana et al. (2025)

PMID 41009704 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Shing et al. (2025)

PMID 41278416 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Yu et al. (2024)

PMID 37326367 →

Cited in: Supplement for immune system UK: what actually works, Antioxidant supplement UK: what the evidence shows

Russell et al. (2024)

PMID 37857352 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Loh et al. (2024)

PMID 38360862 →

Cited in: Supplement for immune system UK: what actually works, Supplement for brain health UK: what the evidence says

Trehan et al. (2024)

PMID 38495912 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Balasamy et al. (2024)

PMID 39059481 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Fejes et al. (2024)

PMID 39279902 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide), Aged garlic extract benefits: what the evidence shows

Arumugam et al. (2024)

PMID 39348746 →

Cited in: Adaptogens & ashwagandha: what the evidence shows, Stress & Cortisol: An Evidence Guide to What Actually Happens in...

La et al. (2024)

PMID 39352252 →

Cited in: Complete nutrition powder: what the evidence shows, Daily supplement powder: what the evidence shows

Sherpa et al. (2024)

PMID 39488067 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety...

Khalid et al. (2024)

PMID 39534260 →

Cited in: Insomnia cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Kumar et al. (2023)

PMID 35975308 →

Cited in: Energy & Fatigue: An Evidence Guide to Why You're Tired and What..., Supplement for inflammation UK: what the data says

Langan-Evans et al. (2023)

PMID 36094342 →

Cited in: Complete nutrition powder: what the evidence shows, The Sleep Quality Evidence Guide: What the Research Actually Say...

Zamil et al. (2023)

PMID 36578583 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Elder et al. (2023)

PMID 36748346 →

Cited in: High cortisol insomnia: what the evidence shows, Can high cortisol cause insomnia?

Fernández-Landa et al. (2023)

PMID 36877404 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety...

Passos et al. (2023)

PMID 37151768 →

Cited in: Insomnia cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Trepanowski et al. (2023)

PMID 37348562 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Candow et al. (2023)

PMID 37368234 →

Cited in: Cognitive supplement UK: what the evidence actually shows, Supplement for brain health UK: what the evidence says

Tseng et al. (2023)

PMID 37442370 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

hair cortisol measurement captures cumulative exposure (2023)

PMID 37532197 →

Cited in: Insomnia cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Lopez et al. (2023)

PMID 37688369 →

Cited in: Micronutrient supplement powder: what works, Daily supplement powder: what the evidence shows

Majeed et al. (2023)

PMID 37832082 →

Cited in: Adaptogens & ashwagandha: what the evidence shows, Stress & Cortisol: An Evidence Guide to What Actually Happens in...

Sandkühler et al. (2023)

PMID 37968687 →

Cited in: Cognitive supplement UK: what the evidence actually shows, Supplement for brain health UK: what the evidence says

PMID: 38083379 (2023)

PMID 38083379 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Moon et al. (2022)

PMID 33152385 →

Cited in: High cortisol insomnia: what the evidence shows, Can high cortisol cause insomnia?

Kreider et al. (2022)

PMID 35268011 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety...

Liu et al. (2022)

PMID 35595515 →

Cited in: High cortisol symptoms sleep: What the evidence shows, High nighttime cortisol levels: what the evidence shows

Chronic HPA activation links insomnia to cardiovascular risk (2022)

PMID 35659073 →

Cited in: Insomnia cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Reffi et al. (2022)

PMID 35905512 →

Cited in: High cortisol insomnia: what the evidence shows, Insomnia cortisol: What the evidence shows

D'Helft et al. (2022)

PMID 36014778 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Sakurai et al. (2022)

PMID 36296983 →

Cited in: Complete nutrition powder: what the evidence shows, Daily supplement powder: what the evidence shows

Deckelbaum et al. (2021)

PMID 32028319 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Thompson et al. (2021)

PMID 32360756 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Checa-Ros et al. (2021)

PMID 33467150 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Macaron et al. (2021)

PMID 33607289 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Aksac et al. (2021)

PMID 33682085 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Smith-Ryan et al. (2021)

PMID 33800439 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing, Benefits of creatine for men over 40: what the data says

Paduchová et al. (2021)

PMID 33801688 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Tuladhar et al. (2021)

PMID 33870573 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

da et al. (2021)

PMID 34564844 →

Cited in: Micronutrient supplement powder: what works, Daily supplement powder: what the evidence shows

Talukdar et al. (2020)

PMID 30556225 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Jäger et al. (2020)

PMID 31864419 →

Cited in: Cognitive supplement UK: what the evidence actually shows, Supplement for immune system UK: what actually works

Tardy et al. (2020)

PMID 31963141 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide), Energy & Fatigue: An Evidence Guide to Why You're Tired and What...

Madore et al. (2020)

PMID 33257673 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Lissak (2019)

PMID 29499467 →

Cited in: High cortisol symptoms sleep: What the evidence shows, Cortisol high at night: What the evidence shows

HPA dysregulation is a shared pathway for insomnia, anxiety, and depression (2019)

PMID 29879564 →

Cited in: Insomnia cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Maggini et al. (2019)

PMID 30336639 →

Cited in: Immune support supplement: what the evidence shows, Supplement for immune system UK: what actually works

Vuralli et al. (2018)

PMID 28101772 →

Cited in: Zinc deficiency symptoms in men: evidence explained, Zinc deficiency: What the evidence shows

Lipner (2018)

PMID 29438761 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Derbyshire (2018)

PMID 30111738 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Sarkar et al. (2017)

PMID 27793434 →

Cited in: Cognitive supplement UK: what the evidence actually shows, Supplement for brain health UK: what the evidence says

Calder (2017)

PMID 27842299 →

Cited in: Omega 3 brain supplement UK: what the evidence shows, Omega 3 brain supplement uk: What the evidence shows

Zhang X et al.. Magnesium intake and mortality due to liver diseases: Results from a population-based cohort study. Scientific Reports, 6, 27990. (2016)

PMID 27402922 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose, Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Trüeb (2016)

PMID 27601860 →

Cited in: Biotin supplement UK: what the evidence says, Biotin supplement UK: skin & hair evidence

Wankhede S, Langade D, Joshi K, Sinha SR, Bhattacharyya S.. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial. J Int Soc Sports Nutr. (2015)

PMID 25796090 →

Cited in: Ashwagandha: separating the evidence from the marketing, Adaptogens — What the Evidence Actually Shows

Elder et al. (2014)

PMID 23835138 →

Cited in: Sleep and cortisol: What the evidence shows, Cortisol and sleeplessness: What the evidence shows

Antonio & Ciccone (2013)

PMID 23919405 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing, Daily vitamin powder: What the evidence shows

PMID: 22529837 (2012)

PMID 22529837 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of..., Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Trebatick� et al. (2012)

PMID 22972105 →

Cited in: Supplements for Stress and Anxiety — What the Evidence Shows (UK..., Perimenopause Supplements UK — What the Evidence Shows

Magnesium 500mg daily showed efficacy in elderly populations (2012)

PMID 23853635 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide..., Insomnia cortisol: What the evidence shows

Gooley JJ, Chamberlain K, Smith KA, et al.. Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans. Journal of Clinical Endocrinology & Metabolism, 96(3), E463, E472. (2011)

PMID 21750519 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of..., High cortisol levels and sleep: what the evidence shows

PMID: 15650465 (2005)

PMID 15650465 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Walker AF et al.. Magnesium supplementation alleviates premenstrual symptoms of fluid retention. Journal of Women's Health, 7(9), 1157-1165. (2003)

PMID 14596323 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose, Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Rawson ES & Volek JS. Effects of Creatine Supplementation and Resistance Training on Muscle Strength and Weightlifting Performance. Journal of Strength and Conditioning Research. (2003)

PMID 14636102 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide, Why Supplement Labels Lie — A Guide to Proprietary Blends

Poortmans et al. (2001)

PMID 10999421 →

Cited in: Creatine Monohydrate: Mechanism, Evidence & Dosing (UK), Creatine Monohydrate: Evidence-Based Benefits, Dosage and Safety...

Firoz M & Graber M. Bioavailability of US commercial magnesium preparations. Magnesium Research, 14(4), 257-262. (2001)

PMID 11794633 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose, How to read a supplement facts label: what the marketing doesn't...

Spiegel et al. (1999)

PMID 10543671 →

Cited in: Cortisol spikes at night: what the evidence shows, Cortisol spike at night: what the evidence shows

Prasad AS, Mantzoros CS, Beck FW, Hess JW, Brewer GJ. Zinc status and serum testosterone levels of healthy adults. Nutrition, 12(5), 344-348. (1996)

PMID 8875519 →

Cited in: What happens to testosterone after 35: the evidence, without the..., Zinc deficiency in men: the silent hormonal and immune problem m...

Kim 2019

PMID 30707852 →

Cited in: Stress & Cortisol: An Evidence Guide to What Actually Happens in..., The Sleep Quality Evidence Guide: What the Research Actually Say...

Hidese 2020

PMID 31623400 →

Cited in: Stress & Cortisol: An Evidence Guide to What Actually Happens in..., The Sleep Quality Evidence Guide: What the Research Actually Say...

Prasad et al. (1978)

PMID 697227 →

Cited in: Zinc deficiency symptoms in men: evidence explained

PMID: 1179463

PMID 1179463 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 1254041

PMID 1254041 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Monteleone P, et al.. Blunting by chronic phosphatidylserine administration of the stress-induced activation of the hypothalamo-pituitary-adrenal axis in healthy men. Eur J Clin Pharmacol. (1992)

PMID 1325348 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Vandamme (1992)

PMID 1368195 →

Cited in: Vitamin D3 and K2: why take them together?

Hambidge (1992)

PMID 1421947 →

Cited in: Zinc deficiency: What the evidence shows

PMID: 1459632

PMID 1459632 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 1551428

PMID 1551428 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Crook TH, et al.. Effects of phosphatidylserine in age-associated memory impairment. Neurology. (1991)

PMID 1609044 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

PMID: 1680150

PMID 1680150 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 1714513

PMID 1714513 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 1756920

PMID 1756920 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

PMID: 1790627

PMID 1790627 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 1884432

PMID 1884432 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

PMID: 1899729

PMID 1899729 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

PMID: 1901640

PMID 1901640 →

Cited in: Adaptogens — What the Evidence Actually Shows

PMID: 1917905

PMID 1917905 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 1977005

PMID 1977005 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 1985724

PMID 1985724 →

Cited in: Adaptogens — What the Evidence Actually Shows

PMID: 2073751

PMID 2073751 →

Cited in: Adaptogens — What the Evidence Actually Shows

PMID: 2083418

PMID 2083418 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Bjørneboe et al. (1990)

PMID 2181082 →

Cited in: Vitamin E drink: what the evidence shows

PMID: 2229329

PMID 2229329 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 2248101

PMID 2248101 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

PMID: 2251672

PMID 2251672 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 2264304

PMID 2264304 →

Cited in: Adaptogens — What the Evidence Actually Shows

PMID: 2314041

PMID 2314041 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 2343979

PMID 2343979 →

Cited in: Adaptogens — What the Evidence Actually Shows

Raehl et al. (1986)

PMID 2416504 →

Cited in: Which form of magnesium is best for sleep?

PMID: 2467223

PMID 2467223 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Hallberg et al. (1989)

PMID 2507689 →

Cited in: Daily vitamin powder: What the evidence shows

PMID: 2551636

PMID 2551636 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 2579609

PMID 2579609 →

Cited in: Adaptogens — What the Evidence Actually Shows

Prasad (1985)

PMID 2580877 →

Cited in: Zinc deficiency symptoms in men: evidence explained

PMID: 2586615

PMID 2586615 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

PMID: 2600717

PMID 2600717 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

PMID: 2740292

PMID 2740292 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 2753364

PMID 2753364 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Cryer et al. (1989)

PMID 2767340 →

Cited in: Cortisol high at night: What the evidence shows

PMID: 2845567

PMID 2845567 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 2852638

PMID 2852638 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 2884665

PMID 2884665 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 2948052

PMID 2948052 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

PMID: 3112125

PMID 3112125 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

PMID: 3141323

PMID 3141323 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

PMID: 3151787

PMID 3151787 →

Cited in: Adaptogens — What the Evidence Actually Shows

PMID: 3202173

PMID 3202173 →

Cited in: Adaptogens — What the Evidence Actually Shows

Strassman et al. (1989)

PMID 3211283 →

Cited in: Lack of sleep cortisol: What the evidence shows

PMID: 3222668

PMID 3222668 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

PMID: 3637495

PMID 3637495 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 3641349

PMID 3641349 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Kato-Kataoka A, et al.. Soybean-derived phosphatidylserine improves memory function of the elderly Japanese subjects with memory complaints. J Clin Biochem Nutr. (2010)

PMID 11842886 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Arterburn et al. (2008)

PMID 8675534 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Shevtsov et al. (2003)

PMID 11081987 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence

Vasdev et al. (2003)

PMID 12349898 →

Cited in: Vitamin E drink: what the evidence shows

PMID: 12660409 (2003)

PMID 12660409 →

Cited in: How much creatine per day: what the evidence shows

Pittler et al. (2003)

PMID 12664086 →

Cited in: Chromium picolinate: what the evidence actually shows

Benton D, et al.. The influence of phosphatidylserine supplementation on mood and heart rate when faced with an acute stressor. Nutr Neurosci. (2001)

PMID 9857020 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Vgontzas et al. (2001)

PMID 10984567 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

Mocchegiani E, Muzzioli M, Giacconi R. Zinc, metallothioneins, immune responses, survival and ageing. Biogerontology, 1(2), 133-143. (2000)

PMID 10675356 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Hall (1999)

PMID 9829614 →

Cited in: Glycine: Evidence, Dosage & Safety Guide

Hackney et al. (1999)

PMID 10200900 →

Cited in: High nighttime cortisol levels: what the evidence shows

Durlach et al. (1998)

PMID 9368238 →

Cited in: Which form of magnesium is best for sleep?

Fox et al. (1998)

PMID 9451374 →

Cited in: Chromium picolinate: what the evidence actually shows

Reading (1997)

PMID 8849977 →

Cited in: Chromium picolinate: what the evidence actually shows

Levine et al. (1996)

PMID 8623000 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

McCarty (1996)

PMID 8641573 →

Cited in: Chromium picolinate: what the evidence actually shows

Sandstrom et al. (1995)

PMID 7768357 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

Logigian (1988)

PMID 3688141 →

Cited in: Cognitive performance products Marylebone: what works

PMID: 3723933

PMID 3723933 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Chin et al. (2019)

PMID 26343111 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Tucker et al. (2018)

PMID 25429075 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

Tondeur et al. (2018)

PMID 26940456 →

Cited in: Micronutrient supplement powder: what works

Lockyer et al. (2017)

PMID 22475430 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

Lockyer et al. (2017)

PMID 22720344 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide

Ahmadian et al. (2017)

PMID 24615239 →

Cited in: Why standard supplement dosing is designed to keep you buying, n...

Hewlings SJ, Kalman DS. Curcumin: A Review of Its Effects on Human Health. Foods. (2017)

PMID 26007179 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Gregory et al. (2017)

PMID 26765812 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says

Tossenberger et al. (2017)

PMID 26994189 →

Cited in: How much creatine per day: what the evidence shows

Clark et al. (2017)

PMID 27268275 →

Cited in: Cognitive performance products Marylebone: what works

Lanhers C, et al.. Creatine Supplementation and Lower Limb Strength Performance: A Systematic Review and Meta-Analyses. Sports Medicine. (2017)

PMID 27328852 →

Cited in: Why Supplement Labels Lie — A Guide to Proprietary Blends

Pistollato et al. (2017)

PMID 27422503 →

Cited in: Sleep and cortisol: What the evidence shows

Supakatisant et al. (2016)

PMID 22909270 →

Cited in: Magnesium bisglycinate supplement: sleep evidence

Aral et al. (2016)

PMID 25569194 →

Cited in: Vitamin D3 and K2: why take them together?

Spendlove et al. (2016)

PMID 25926019 →

Cited in: Energy supplement powder: What the evidence shows

Bailey et al. (2016)

PMID 26045325 →

Cited in: Zinc deficiency: What the evidence shows

Ibraheem et al. (2016)

PMID 26060470 →

Cited in: Lower zinc levels: What the evidence shows

Marchesi et al. (2016)

PMID 26338727 →

Cited in: Supplement for immune system UK: what actually works

Lopes et al. (2016)

PMID 26346684 →

Cited in: High nighttime cortisol levels: what the evidence shows

Sirtori et al. (2016)

PMID 26362125 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

Kakkar (2016)

PMID 26372691 →

Cited in: Cognitive performance products Marylebone: what works

Tipton (2016)

PMID 26553492 →

Cited in: Antioxidant supplement UK: what the evidence shows

Atwal et al. (2016)

PMID 26653176 →

Cited in: Taurine: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Bellomo et al. (2016)

PMID 26670818 →

Cited in: Which form of magnesium is best for sleep?

Kruis et al. (2016)

PMID 26982488 →

Cited in: Zinc deficiency: What the evidence shows

Martinez-Zapata et al. (2016)

PMID 27048768 →

Cited in: Grape Seed Extract: Benefits, Dosage & Safety (UK Guide)

Bolland et al. (2015)

PMID 22673596 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

Choudhary B, Shetty A, Langade DG.. Efficacy of Ashwagandha (Withania somnifera [L.] Dunal) in improving cardiorespiratory endurance in healthy athletic adults. Ayu, 36(1), 63-68. (2015)

PMID 22700086 →

Cited in: Ashwagandha Benefits — What the Evidence Actually Shows

Mueller et al. (2015)

PMID 24760141 →

Cited in: Cognitive performance products Marylebone: what works

Torbeyns et al. (2015)

PMID 24842828 →

Cited in: Cognitive performance products Marylebone: what works

PMID: 25123675 (2015)

PMID 25123675 →

Cited in: How much creatine per day: what the evidence shows

Calder (2015)

PMID 25149823 →

Cited in: Supplement for immune system UK: what actually works

Wankhede S, Langade D, Joshi K, et al.. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial. Journal of the International Society of Sports Nutrition, 12, 43. (2015)

PMID 25177000 →

Cited in: Ashwagandha Benefits — What the Evidence Actually Shows

Cutolo et al. (2015)

PMID 25227591 →

Cited in: High nighttime cortisol levels: what the evidence shows

Tordjman et al. (2015)

PMID 25244637 →

Cited in: High nighttime cortisol levels: what the evidence shows

Cropley et al. (2015)

PMID 25268598 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence

Wong et al. (2015)

PMID 25379688 →

Cited in: Olive Leaf Extract: Evidence, Dosage & Safety (UK)

Eubanks et al. (2015)

PMID 25387215 →

Cited in: Why standard supplement dosing is designed to keep you buying, n...

Harb et al. (2015)

PMID 25424517 →

Cited in: Lack of sleep cortisol: What the evidence shows

Knapen et al. (2015)

PMID 25516361 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Belcaro et al. (2015)

PMID 25524718 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

Sengupta et al. (2015)

PMID 25742912 →

Cited in: Zinc deficiency symptoms in men: evidence explained

PMID: 25880885 (2015)

PMID 25880885 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

Tarleton and Littenberg (2015)

PMID 26098445 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Wanwimolruk et al. (2015)

PMID 26417310 →

Cited in: Grape Seed Extract: Benefits, Dosage & Safety (UK Guide)

Choudhary D, Bhattacharyya S, Joshi K.. Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract. J Evid Based Complementary Altern Med. (2015)

PMID 26609282 →

Cited in: Ashwagandha: separating the evidence from the marketing

Papanikolaou et al. (2014)

PMID 22585901 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Shiwa et al. (2014)

PMID 23480295 →

Cited in: Cortisol high at night: What the evidence shows

Tveden-Nyborg et al. (2014)

PMID 23642093 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Grajewski et al. (2014)

PMID 23818455 →

Cited in: KōJō: what the evidence actually shows

Hall et al. (2014)

PMID 23851411 →

Cited in: Benefits of creatine for men over 40: what the data says

Asea et al. (2014)

PMID 23920279 →

Cited in: Ashwagandha and rhodiola combination: the evidence

Proksch et al. (2014)

PMID 23949208 →

Cited in: Once daily supplement: What the evidence shows

Hamidi et al. (2014)

PMID 24090644 →

Cited in: Vitamin D3 and K2: why take them together?

Tian et al. (2014)

PMID 24293292 →

Cited in: Chromium picolinate: what the evidence actually shows

Park et al. (2014)

PMID 24456350 →

Cited in: Daily supplement powder: what the evidence shows

Kuptniratsaikul V et al.. Efficacy and safety of Curcuma domestica extracts compared with ibuprofen in patients with knee osteoarthritis. Clin Interv Aging. (2014)

PMID 24672232 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Prado et al. (2014)

PMID 24684384 →

Cited in: Micronutrient supplement powder: what works

Sengupta et al. (2014)

PMID 24730316 →

Cited in: Which form of magnesium is best for sleep?

Camfield DA, Stough C, Farrimond J, Scholey AB. Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis. Nutr Rev. 2014;72(8):507-22. (2014)

PMID 24946991 →

Cited in: L-theanine and caffeine: why the combination outperforms either ...

Avenell et al. (2014)

PMID 25170685 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Ragan et al. (2013)

PMID 22732441 →

Cited in: Nootropic supplement UK: what the evidence shows

Flint et al. (2013)

PMID 22945443 →

Cited in: Supplement for immune system UK: what actually works

PMID: 22976079 (2013)

PMID 22976079 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

Pritchett et al. (2013)

PMID 23075563 →

Cited in: Supplement for muscle recovery: what works

PMID: 23140115 (2013)

PMID 23140115 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

Dhalla et al. (2013)

PMID 23314545 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says

Ebrahim et al. (2013)

PMID 23347102 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

Bitto et al. (2013)

PMID 23484100 →

Cited in: Magnesium bisglycinate supplement: sleep evidence

Sarris et al. (2013)

PMID 23653088 →

Cited in: Ashwagandha and rhodiola combination: the evidence

Black et al. (2013)

PMID 23746772 →

Cited in: Zinc deficiency symptoms in men: evidence explained

Singh M & Das RR. Zinc for the common cold. Cochrane Database of Systematic Reviews, (6), CD001364. (2013)

PMID 23775705 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Yee BE, Richards P, Sui JY, Marsch AF. Serum zinc levels and efficacy of zinc treatment in acne vulgaris: a systematic review and meta-analysis. Dermatologic Therapy, 33(6), e14252. (2013)

PMID 23826827 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Drake C, Roehrs T, Shambroom J, Roth T. Caffeine effects on sleep taken 0, 3, or 6 hours before going to bed. J Clin Sleep Med. 2013;9(11):1195-200. (2013)

PMID 24235903 →

Cited in: L-theanine and caffeine: why the combination outperforms either ...

Heaney et al. (2012)

PMID 22414585 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

Mauskop and Varughese (2012)

PMID 22426836 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

PMID: 22432515 (2012)

PMID 22432515 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide

Wessells KR & Brown KH. Estimating the global prevalence of zinc deficiency: results based on zinc availability in national food supplies and the prevalence of stunting. PLoS One, 7(11), e50568. (2012)

PMID 22664333 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Blumberg JB et al.. "Phytonutrients, bioactive compounds, functional foods, and dietary supplements: a framework for research and evaluation." (2012)

PMID 22854401 →

Cited in: The Best AG1 Alternatives in the UK (2026 Buying Guide)

Hobson et al. (2012)

PMID 22895378 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

Sydenham et al. (2012)

PMID 23076693 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Vermeer et al. (2012)

PMID 23140417 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

PMID: 23428257 (2012)

PMID 23428257 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

Sasaki H et al.. Innovative preparation of curcumin for improved oral bioavailability. Biol Pharm Bull. (2011)

PMID 22481014 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Hung SK, Perry R, Ernst E.. The effectiveness and efficacy of Rhodiola rosea L.: A systematic review of randomized clinical trials. Phytomedicine. (2011)

PMID 22643043 →

Cited in: Adaptogens — What the Evidence Actually Shows

Te L, Liu J, Ma J, Wang S. Correlation between serum zinc and testosterone: a systematic review. Journal of Trace Elements in Medicine and Biology, 27(2), 102-107. (2011)

PMID 23446962 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Perrinjaquet-Moccetti et al. (2008)

PMID 22888971 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

PMID: 22747081 (2005)

PMID 22747081 →

Cited in: Why standard supplement dosing is designed to keep you buying, n...

PMID: 24138786 (2005)

PMID 24138786 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Pittler & Ernst (2003)

PMID 23440021 →

Cited in: Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Bonaventura 2015

PMID 25462582 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Richter Y, et al.. The effect of soybean-derived phosphatidylserine on cognitive performance in elderly with subjective memory complaints. Clin Interv Aging. (2013)

PMID 25933483 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Feringa et al. (2011)

PMID 26804926 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

Sublette et al. (2011)

PMID 26978738 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Choudhary 2017

PMID 27055824 →

Cited in: Stress & Cortisol: An Evidence Guide to What Actually Happens in...

Elston et al. (2022)

PMID 28584167 →

Cited in: Can high cortisol cause insomnia?

de Miranda et al. (2021)

PMID 30681787 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

Paultre K et al.. Therapeutic effects of turmeric or curcumin extract on pain and function for individuals with knee osteoarthritis. BMJ Open Sport Exerc Med. (2021)

PMID 31121255 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Smith-Ryan et al. (2021)

PMID 31386272 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Palacios et al. (2021)

PMID 31595712 →

Cited in: Zinc deficiency: What the evidence shows

Agbana et al. (2021)

PMID 31835095 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

L et al. (2020)

PMID 30612038 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Ried et al. (2020)

PMID 30619868 →

Cited in: Aged garlic extract benefits: what the evidence shows

Bardas et al. (2020)

PMID 30987549 →

Cited in: Vitamin E drink: what the evidence shows

Razafindralambo et al. (2020)

PMID 31292519 →

Cited in: Energy supplement powder: What the evidence shows

Vlachojannis et al. (2020)

PMID 31294508 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

Hüfner et al. (2020)

PMID 31343257 →

Cited in: Can high cortisol cause insomnia?

Parker et al. (2020)

PMID 31368397 →

Cited in: Supplement for brain health UK: what the evidence says

Kuhlman et al. (2020)

PMID 31387652 →

Cited in: High cortisol symptoms sleep: What the evidence shows

Di et al. (2020)

PMID 31540038 →

Cited in: Complete nutrition powder: what the evidence shows

Cicero et al. (2020)

PMID 31577095 →

Cited in: Glycine: Evidence, Dosage & Safety Guide

Garçon et al. (2020)

PMID 31597960 →

Cited in: Which form of magnesium is best for sleep?

Elenitoba-Johnson et al. (2019)

PMID 29140757 →

Cited in: KōJō: what the evidence actually shows

Lin et al. (2019)

PMID 30016756 →

Cited in: High nighttime cortisol levels: what the evidence shows

Czajka et al. (2019)

PMID 30122200 →

Cited in: Antioxidant supplement UK: what the evidence shows

PMID: 30415628 (2019)

PMID 30415628 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

PMID: 30415629 (2019)

PMID 30415629 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

von et al. (2019)

PMID 30463526 →

Cited in: Can high cortisol cause insomnia?

Salve J, Pate S, Debnath K, Langade D.. Adaptogenic and Anxiolytic Effects of Ashwagandha Root Extract in Healthy Adults: A Double-blind, Randomized, Placebo-controlled Clinical Study. Cureus. (2019)

PMID 30466985 →

Cited in: Ashwagandha: separating the evidence from the marketing

Grundlingh J et al.. Health claim framing and consumer perception of supplement efficacy. Food Policy. (2019)

PMID 30513536 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Willoughby et al. (2019)

PMID 30513859 →

Cited in: Chromium picolinate: what the evidence actually shows

Rolland et al. (2019)

PMID 30573045 →

Cited in: KōJō: what the evidence actually shows

Shim et al. (2019)

PMID 30646157 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Jagim AR, et al.. Common Ingredient Profiles of Multi-Ingredient Pre-Workout Supplements. Nutrients. (2019)

PMID 30669330 →

Cited in: Why Supplement Labels Lie — A Guide to Proprietary Blends

PMID: 30675873 (2019)

PMID 30675873 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Panossian et al. (2019)

PMID 30987861 →

Cited in: Ashwagandha and rhodiola combination: the evidence

Smith et al. (2019)

PMID 31130284 →

Cited in: Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Saitsu et al. (2019)

PMID 31413233 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Abdelhamid et al. (2019)

PMID 31422671 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

Fallah A, Mohammad-Hasani A, Colagar AH. Zinc is an essential element for male fertility: a review of Zn roles in men's health, germination, sperm quality, and fertilization. Journal of Reproduction & Infertility, 19(2), 69-81. (2018)

PMID 21671089 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Pallauf et al. (2018)

PMID 27609098 →

Cited in: Energy supplement powder: What the evidence shows

Ryu et al. (2018)

PMID 28587168 →

Cited in: Aged garlic extract benefits: what the evidence shows

Golan et al. (2018)

PMID 28665435 →

Cited in: Zinc deficiency: What the evidence shows

Sharma AK, Basu I, Singh S.. Efficacy and Safety of Ashwagandha Root Extract in Subclinical Hypothyroid Patients: A Double-Blind, Randomized Placebo-Controlled Trial. Journal of Alternative and Complementary Medicine, 24(3), 243-248. (2018)

PMID 28829155 →

Cited in: Ashwagandha Benefits — What the Evidence Actually Shows

Maughan et al. (2018)

PMID 28852372 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

Erkekoglu et al. (2018)

PMID 28965587 →

Cited in: Lower zinc levels: What the evidence shows

Scullin et al. (2018)

PMID 29058942 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

Butts et al. (2018)

PMID 29059531 →

Cited in: Benefits of creatine for men over 40: what the data says

Rosique-Esteban et al. (2018)

PMID 29093983 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Dalton et al. (2018)

PMID 29244743 →

Cited in: Benefits of creatine for men over 40: what the data says

Davies et al. (2018)

PMID 29462923 →

Cited in: Supplement for muscle recovery: what works

Tucker J, et al.. Supplement Ingredients and Contamination in Dietary Supplements. JAMA. (2018)

PMID 29470689 →

Cited in: Why Supplement Labels Lie — A Guide to Proprietary Blends

Chin KY. The spice for joint inflammation: anti-inflammatory role of curcumin in treating osteoarthritis. Drug Des Devel Ther. (2018)

PMID 29480523 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Maughan et al. (2018)

PMID 29480918 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

Vargas et al. (2018)

PMID 29678398 →

Cited in: Insomnia cortisol: What the evidence shows

Maughan RJ, et al.. IOC Consensus Statement: Dietary Supplements and the High-Performance Athlete. British Journal of Sports Medicine. (2018)

PMID 29722750 →

Cited in: Why Supplement Labels Lie — A Guide to Proprietary Blends

Maughan RJ et al.. IOC consensus statement: dietary supplements and the high-performance athlete. British Journal of Sports Medicine. (2018)

PMID 29754498 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Maltais et al. (2018)

PMID 29927878 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Kim et al. (2018)

PMID 29949889 →

Cited in: Once daily supplement: What the evidence shows

Smith et al. (2017)

PMID 27431367 →

Cited in: Nootropic supplement UK: what the evidence shows

Boss et al. (2017)

PMID 27548217 →

Cited in: Olive Leaf Extract: Evidence, Dosage & Safety (UK)

Melo et al. (2017)

PMID 27661417 →

Cited in: High nighttime cortisol levels: what the evidence shows

Castello-Domenech et al. (2017)

PMID 27908262 →

Cited in: Can high cortisol cause insomnia?

Bhargava (2017)

PMID 27986095 →

Cited in: Cognitive performance products Marylebone: what works

Weseler et al. (2017)

PMID 28103873 →

Cited in: Grape Seed Extract: Benefits, Dosage & Safety (UK Guide)

Bjelakovic et al. (2017)

PMID 28119632 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

PMID: 28165863 (2017)

PMID 28165863 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

Troesch B et al.. Expert opinion on benefits of long-chain omega-3 fatty acids (DHA and EPA) in aging and clinical nutrition. Nutrients. (2017)

PMID 28241991 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Jaturakan et al. (2017)

PMID 28392511 →

Cited in: Vitamin E drink: what the evidence shows

Boyle et al. (2017)

PMID 28445426 →

Cited in: Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Boyle NB et al.. The effects of magnesium supplementation on subjective anxiety and stress - a systematic review. Nutrients, 9(5), 429. (2017)

PMID 28455679 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

Vargas I, Vgontzas AN, Abelson JL, Faghih RT, Morales KH, Perlis ML.. Altered ultradian cortisol rhythmicity as a potential neurobiological substrate for chronic insomnia. Sleep Medicine Reviews, 41, 234, 243. (2017)

PMID 28579842 →

Cited in: High cortisol levels and sleep: what the evidence shows

Tarleton et al. (2017)

PMID 28654669 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Schuchardt JP & Vormann J. Significance of magnesium in health and disease. Nutrients, 9(9), 1016. (2017)

PMID 28846654 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

Lanhers et al. (2017)

PMID 28870672 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Hedayati et al. (2017)

PMID 29232192 →

Cited in: Vitamin E drink: what the evidence shows

Daily JW et al.. Efficacy of Turmeric Extracts and Curcumin for Alleviating the Symptoms of Joint Arthritis. J Med Food. (2016)

PMID 27533649 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

PMID: 27869100 (2016)

PMID 27869100 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Outram S & Stewart B. Doping through supplement use: a review of the available empirical data. International Journal of Sport Nutrition and Exercise Metabolism. (2015)

PMID 29546207 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Abbasi B et al.. The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial. Journal of Research in Medical Sciences, 17(12), 1161-1169. (2012)

PMID 28526383 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

Feringa et al. (2011)

PMID 27840040 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

Hidalgo-Cantabrana 2017

PMID 28643627 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Stephen 2018

PMID 28676135 →

Cited in: Standards & Transparency: An Evidence Guide to What the Suppleme...

Wilkins 2017

PMID 28762696 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Wessels 2018

PMID 29186856 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Anghelescu 2019

PMID 29325481 →

Cited in: Stress & Cortisol: An Evidence Guide to What Actually Happens in...

Mel�ndez-Hevia et al. (2009)

PMID 29559876 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

Krumbeck 2019

PMID 29954454 →

Cited in: Standards & Transparency: An Evidence Guide to What the Suppleme...

Avery 2019

PMID 30200430 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Maughan et al. (2018)

PMID 30513512 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

van 2019

PMID 31035414 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Parazzini et al. (2017)

PMID 31036413 →

Cited in: Why standard supplement dosing is designed to keep you buying, n...

Luppi 2019

PMID 31277860 →

Cited in: The Sleep Quality Evidence Guide: What the Research Actually Say...

Bar 2020

PMID 31421222 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Mohr 2020

PMID 31648930 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Schuchardt JP & Hahn A. Intestinal absorption and factors influencing bioavailability of magnesium - an update. Current Nutrition and Food Science. (2017)

PMID 31747565 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Hirayama S, et al.. The effect of phosphatidylserine administration on memory and symptoms of attention-deficit hyperactivity disorder: a randomised, double-blind, placebo-controlled clinical trial. J Hum Nutr Diet. (2014)

PMID 20523044 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Skoluda N, Dettenborn L, Stalder T, Kirschbaum C.. Elevated hair cortisol concentrations in endurance athletes. Psychoneuroendocrinology, 37(5), 611, 617. (2012)

PMID 15831528 →

Cited in: High cortisol levels and sleep: what the evidence shows

Jagim et al. (2012)

PMID 21424716 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

Besedovsky et al. (2012)

PMID 22071480 →

Cited in: Cortisol high at night: What the evidence shows

Stupans et al. (2012)

PMID 22190107 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

Edwards et al. (2012)

PMID 22228617 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence

Rawson & Venezia (2011)

PMID 17652429 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

Errichi et al. (2011)

PMID 17867636 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Feringa et al. (2011)

PMID 19158124 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide

Thornton (2011)

PMID 20576205 →

Cited in: Immune support supplement: what the evidence shows

Wada et al. (2011)

PMID 20636017 →

Cited in: KōJō: what the evidence actually shows

Susalit et al. (2011)

PMID 21036583 →

Cited in: Why standard supplement dosing is designed to keep you buying, n...

Brooks et al. (2011)

PMID 21063183 →

Cited in: Cognitive performance products Marylebone: what works

Gualano et al. (2011)

PMID 21399917 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Susalit E et al.. "Olive (Olea europaea) leaf extract effective in patients with stage-1 hypertension: comparison with captopril." (2011)

PMID 21443487 →

Cited in: The Best AG1 Alternatives in the UK (2026 Buying Guide)

Dahl WJ et al.. "A randomised, double-blind, placebo-controlled trial of a fruit and vegetable concentrate on oxidative stress markers." (2011)

PMID 21616953 →

Cited in: The Best AG1 Alternatives in the UK (2026 Buying Guide)

Leproult and Van Cauter (2011)

PMID 21632481 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Meeprom et al. (2011)

PMID 21736810 →

Cited in: Grape Seed Extract: Benefits, Dosage & Safety (UK Guide)

Rodr�guez-Mor�n and Guerrero-Romero (2011)

PMID 21868780 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Skulas-Ray et al. (2011)

PMID 21920668 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Terauchi et al. (2011)

PMID 22048315 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

PMID: 22234399 (2011)

PMID 22234399 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Shay et al. (2010)

PMID 19664690 →

Cited in: Supplement for inflammation UK: what the data says

Slutsky I et al.. Enhancement of learning and memory by elevating brain magnesium. Neuron, 65(2), 165-177. (2010)

PMID 19770058 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

S�ndergaard et al. (2010)

PMID 19789214 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

Haskell CF, Kennedy DO, Milne AL, Wesnes KA, Scholey AB. The effects of L-theanine, caffeine and their combination on cognition and mood. Biol Psychol. 2008;77(2):113-22. (2010)

PMID 20079786 →

Cited in: L-theanine and caffeine: why the combination outperforms either ...

Yousef (2010)

PMID 20138202 →

Cited in: Vitamin E drink: what the evidence shows

Slutsky et al. (2010)

PMID 20152124 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

PMID: 20173018 (2010)

PMID 20173018 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Dyerberg et al. (2010)

PMID 20359266 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Yurko-Mauro et al. (2010)

PMID 20434961 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Dyerberg et al. (2010)

PMID 20488564 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

Reay JL, Scholey AB, Kennedy DO.. Panax ginseng (G115) improves aspects of working memory performance and subjective ratings of calmness in healthy young adults. Hum Psychopharmacol. (2010)

PMID 20737519 →

Cited in: Adaptogens — What the Evidence Actually Shows

Nagano et al. (2010)

PMID 20834180 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Fathizadeh et al. (2010)

PMID 22069417 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

van Diermen et al. (2009)

PMID 18307390 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence

El Idrissi et al. (2009)

PMID 18728800 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

Mori et al. (2009)

PMID 18844328 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Van et al. (2009)

PMID 18929315 →

Cited in: Cortisol and sleeplessness: What the evidence shows

Braam et al. (2009)

PMID 19179058 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Spillane et al. (2009)

PMID 19228401 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Panossian et al. (2009)

PMID 19500070 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence

van der Merwe et al. (2009)

PMID 19741313 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Manach C et al.. "Bioavailability and bioefficacy of polyphenols in humans." (2009)

PMID 19817641 →

Cited in: The Best AG1 Alternatives in the UK (2026 Buying Guide)

Valenzuela et al. (2008)

PMID 17870176 →

Cited in: Best time to take creatine: What the evidence shows

PMID: 17876200 (2008)

PMID 17876200 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Espiritu (2008)

PMID 18035227 →

Cited in: Cortisol and sleeplessness: What the evidence shows

Nieman et al. (2008)

PMID 18334580 →

Cited in: Cortisol high at night: What the evidence shows

Mistretta et al. (2008)

PMID 18406498 →

Cited in: Vitamin D3 and K2: why take them together?

Oja et al. (2008)

PMID 18605222 →

Cited in: Taurine: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Hausenloy et al. (2008)

PMID 18669431 →

Cited in: Best time to take creatine: What the evidence shows

Owen GN, Parnell H, De Bruin EA, Rycroft JA. The combined effects of L-theanine and caffeine on cognitive performance and mood. Nutr Neurosci. 2008;11(4):193-8. (2008)

PMID 18681988 →

Cited in: L-theanine and caffeine: why the combination outperforms either ...

Iwamoto et al. (2008)

PMID 18690918 →

Cited in: Vitamin D3 and K2: why take them together?

Mori et al. (2008)

PMID 18997291 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Langsjoen PH & Langsjoen AM. Supplemental ubiquinol in patients with advanced congestive heart failure. BioFactors. (2008)

PMID 19169786 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Panossian A, Wikman G.. Pharmacology of Schisandra chinensis Bail.: An overview of Russian research and uses in medicine. J Ethnopharmacol. (2008)

PMID 19857248 →

Cited in: Adaptogens — What the Evidence Actually Shows

Travison et al. (2007)

PMID 17062768 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Schurgers et al. (2007)

PMID 17145139 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Eichling et al. (2007)

PMID 17566192 →

Cited in: High cortisol insomnia: what the evidence shows

Aggarwal BB et al.. Curcumin: the Indian solid gold. Adv Exp Med Biol. (2007)

PMID 17569207 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Masterjohn (2007)

PMID 17906277 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Lethaby et al. (2007)

PMID 17943781 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Kidd PM.. Omega-3 DHA and EPA for cognition, behavior, and mood: clinical findings and structural-functional synergies with cell membrane phospholipids. Altern Med Rev. (2007)

PMID 18072818 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Kimura K, Ozeki M, Juneja LR, Ohira H. L-Theanine reduces psychological and physiological stress responses. Biol Psychol. 2007;74(1):39-45. (2007)

PMID 18296328 →

Cited in: L-theanine and caffeine: why the combination outperforms either ...

Kimura et al. (2007)

PMID 19145965 →

Cited in: Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Backhaus J, Junghanns K, Born J, Hohaus K, Faasch F, Hohagen F.. Impaired declarative memory consolidation during sleep in patients with primary insomnia. Biological Psychiatry, 60(12), 1324, 1330. (2007)

PMID 20337191 →

Cited in: High cortisol levels and sleep: what the evidence shows

Chauhan (2006)

PMID 16395514 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

Frank et al. (2006)

PMID 16402761 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

McMorris et al. (2006)

PMID 16416332 →

Cited in: Sleep and cortisol: What the evidence shows

Macan et al. (2006)

PMID 16484565 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

Cockayne et al. (2006)

PMID 16801507 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Trumbo et al. (2006)

PMID 16958312 →

Cited in: Chromium picolinate: what the evidence actually shows

Latham et al. (2006)

PMID 17016954 →

Cited in: Micronutrient supplement powder: what works

Kong et al. (2006)

PMID 18325473 →

Cited in: Supplements for Stress and Anxiety — What the Evidence Shows (UK...

Arterburn et al. (2006)

PMID 22332096 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide

Burdge & Calder (2005)

PMID 12936959 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Chilibeck et al. (2005)

PMID 15142028 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Furlong et al. (2005)

PMID 15331331 →

Cited in: Complete nutrition powder: what the evidence shows

Cersosimo (2005)

PMID 15590869 →

Cited in: Which form of magnesium is best for sleep?

Lovallo WR, Whitsett TL, al'Absi M, Sung BH, Vincent AS, Wilson MF. Caffeine stimulation of cortisol secretion across the waking hours in relation to caffeine intake levels. Psychosom Med. 2005;67(5):734-9. (2005)

PMID 15618989 →

Cited in: L-theanine and caffeine: why the combination outperforms either ...

Vgontzas et al. (2005)

PMID 15905620 →

Cited in: High cortisol insomnia: what the evidence shows

Bobkowski et al. (2005)

PMID 15945614 →

Cited in: Which form of magnesium is best for sleep?

Swaab et al. (2005)

PMID 15996533 →

Cited in: High cortisol symptoms sleep: What the evidence shows

Martinez et al. (2005)

PMID 16034893 →

Cited in: Grape Seed Extract: Benefits, Dosage & Safety (UK Guide)

Buckley and Schatzberg (2005)

PMID 22171950 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

MALAN (2004)

PMID 14842925 →

Cited in: Vitamin D3 and K2: why take them together?

Geleijnse et al. (2004)

PMID 15514282 →

Cited in: Vitamin K2: what it actually does, and why most people are defic...

Backhaus et al. (2004)

PMID 15583374 →

Cited in: Sleep, cortisol, and why you're wired at 11pm: the physiology of...

Larsson et al. (2004)

PMID 17413116 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Rawson and Volek (2003)

PMID 12701816 →

Cited in: What happens to testosterone after 35: the evidence, without the...

PMID: 12722112 (2003)

PMID 12722112 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Wakuda (2003)

PMID 14518472 →

Cited in: KōJō: what the evidence actually shows

Feldman et al. (2002)

PMID 12788888 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Rohdewald (2002)

PMID 18074942 →

Cited in: Why standard supplement dosing is designed to keep you buying, n...

PMID: 18393851 (2002)

PMID 18393851 →

Cited in: All-in-One Supplements UK — A Complete Buyer's Guide

Rahman (2001)

PMID 11238800 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

Borek (2001)

PMID 11238807 →

Cited in: Aged Garlic Extract: Benefits, Dosage & Safety (UK Guide)

PMID: 11836290 (2001)

PMID 11836290 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Steenge et al. (2001)

PMID 15640516 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Darbinyan et al. (2000)

PMID 10839209 →

Cited in: Rhodiola rosea: the adaptogen with the strongest evidence

Field et al. (2000)

PMID 10910294 →

Cited in: Immune support supplement: what the evidence shows

Bucci (2000)

PMID 10919969 →

Cited in: Ashwagandha and rhodiola combination: the evidence

Recker et al. (2000)

PMID 11384958 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Deci & Ryan (2000)

PMID 11392867 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

Arterburn et al. (2000)

PMID 12480795 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

March (1999)

PMID 11365828 →

Cited in: Best time to take creatine: What the evidence shows

PMID: 19594223 (1999)

PMID 19594223 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

Cerulli et al. (1998)

PMID 9562138 →

Cited in: Chromium picolinate: what the evidence actually shows

Shoba G et al.. Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. Planta Med. PMID: 9619120 (1998)

PMID 9619120 →

Cited in: Turmeric Joint Supplement UK: Your Questions Answered by an Inde...

Trachtman et al. (1997)

PMID 8888293 →

Cited in: Vitamin E drink: what the evidence shows

Leproult R, Copinschi G, Buxton O, Van Cauter E.. Sleep loss results in an elevation of cortisol levels the next evening. Sleep, 20(10), 865, 870. (1997)

PMID 9164943 →

Cited in: High cortisol levels and sleep: what the evidence shows

Hultman et al. (1996)

PMID 9390981 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Asenso-Okyere (1994)

PMID 7945758 →

Cited in: KōJō: what the evidence actually shows

Graham et al. (1994)

PMID 8248973 →

Cited in: How much creatine per day: what the evidence shows

Booth et al. (1993)

PMID 8243472 →

Cited in: Which form of magnesium is best for sleep?

Prasad et al. (1993)

PMID 8353362 →

Cited in: Zinc deficiency symptoms in men: evidence explained

Ashmead HD. The absorption and metabolism of iron amino acid chelate. Archivos Latinoamericanos de Nutrici�n, 45(1 Suppl 1), 31S-35S. PMID: 9566605 (1993)

PMID 9566605 →

Cited in: Magnesium glycinate vs. oxide: why form matters more than dose

PMID: 3390194 (1988)

PMID 3390194 →

Cited in: How much creatine per day: what the evidence shows

Roenneberg et al. (1988)

PMID 3405289 →

Cited in: How much creatine per day: what the evidence shows

Lawson & Hughes (1988)

PMID 19515737 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Cenacchi T, et al.. Cognitive decline in the elderly: a double-blind, placebo-controlled multicenter study on efficacy of phosphatidylserine administration. Aging. (1987)

PMID 3280780 →

Cited in: The case for phosphatidylserine: why your brain needs specific f...

Barrie SA, Wright JV, Pizzorno JE, Kutter E, Barron PC. Comparative absorption of zinc picolinate, zinc citrate and zinc gluconate in humans. Agents and Actions, 21(1-2), 223-228. (1987)

PMID 3630857 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Morley (1986)

PMID 3518438 →

Cited in: Zinc deficiency symptoms in men: evidence explained

Chesney (1986)

PMID 3909770 →

Cited in: Taurine: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Horie et al. (1986)

PMID 3942080 →

Cited in: Best time to take creatine: What the evidence shows

Turnlund JR, King JC, Keyes WR, Gong B, Michel MC. A stable isotope study of zinc absorption in young men: effects of phytate and alpha-cellulose. American Journal of Clinical Nutrition, 40(5), 1071-1077. (1986)

PMID 10648260 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Prasad (1985)

PMID 3896271 →

Cited in: Zinc deficiency symptoms in men: evidence explained

Yuasa et al. (1984)

PMID 6661335 →

Cited in: Best time to take creatine: What the evidence shows

Lukaski HC, Bolonchuk WW, Klevay LM, Milne DB, Sandstead HH. Maximal oxygen consumption as related to magnesium, copper, and zinc nutriture. American Journal of Clinical Nutrition, 37(3), 407-415. (1983)

PMID 9813853 →

Cited in: Zinc deficiency in men: the silent hormonal and immune problem m...

Cumming et al. (1983)

PMID 15770915 →

Cited in: What happens to testosterone after 35: the evidence, without the...

Williams 2020

PMID 31758301 →

Cited in: Stress & Cortisol: An Evidence Guide to What Actually Happens in...

Panossian et al. (2023)

PMID 32911682 →

Cited in: Ashwagandha and rhodiola combination: the evidence

Borodina et al. (2021)

PMID 32051057 →

Cited in: Antioxidant supplement UK: what the evidence shows

Magrì et al. (2021)

PMID 32102933 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Ryu et al. (2021)

PMID 32226684 →

Cited in: Lion's Mane Benefits — What the Evidence Actually Shows

Mandlik et al. (2021)

PMID 32242751 →

Cited in: Adaptogens & ashwagandha: what the evidence shows

Derbyshire et al. (2021)

PMID 32531929 →

Cited in: Nootropic supplement UK: what the evidence shows

Lykkesfeldt (2021)

PMID 32535545 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Rosenblum et al. (2021)

PMID 32603465 →

Cited in: Zinc deficiency: What the evidence shows

de et al. (2021)

PMID 32791110 →

Cited in: Immune support supplement: what the evidence shows

Papadopoulou (2021)

PMID 32824034 →

Cited in: Supplement for muscle recovery: what works

Liu et al. (2021)

PMID 32935206 →

Cited in: Lower zinc levels: What the evidence shows

Akiyama et al. (2021)

PMID 32980745 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says

Salgueiro et al. (2021)

PMID 32990504 →

Cited in: Lack of sleep cortisol: What the evidence shows

Rønn et al. (2021)

PMID 33030563 →

Cited in: Vitamin D3 and K2: why take them together?

Stevens et al. (2021)

PMID 33034707 →

Cited in: Olive Leaf Extract: Evidence, Dosage & Safety (UK)

Smith et al. (2021)

PMID 33100330 →

Cited in: Cognitive performance products Marylebone: what works

Kiani et al. (2021)

PMID 33170171 →

Cited in: High cortisol insomnia: what the evidence shows

Ringe (2021)

PMID 33188611 →

Cited in: Vitamin D3 and K2: why take them together?

Fredman (2020)

PMID 31895654 →

Cited in: Supplement for inflammation UK: what the data says

Starks MA et al.. Supplement label accuracy and ingredient dosing in commercially available pre-workout products. Journal of the International Society of Sports Nutrition. (2020)

PMID 31904831 →

Cited in: The Rōnin mindset: why we called the brand Kōjō

Bailey et al. (2020)

PMID 31917110 →

Cited in: KōJō: what the evidence actually shows

Tam et al. (2020)

PMID 31973225 →

Cited in: Micronutrient supplement powder: what works

Brown et al. (2020)

PMID 31977297 →

Cited in: KōJō: what the evidence actually shows

Borghi 2021

PMID 31977574 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Moazed et al. (2020)

PMID 31983190 →

Cited in: Lower zinc levels: What the evidence shows

Cosci et al. (2020)

PMID 32002931 →

Cited in: Best time to take creatine: What the evidence shows

Uberti et al. (2020)

PMID 32098378 →

Cited in: Magnesium bisglycinate supplement: sleep evidence

Knapik et al. (2020)

PMID 32641284 →

Cited in: How to read a supplement facts label: what the marketing doesn't...

PMID: 31996493 (2019)

PMID 31996493 →

Cited in: Creatine Benefits Beyond the Gym — Brain, Sleep and Ageing

Suzuki 2021

PMID 32003645 →

Cited in: Energy & Fatigue: An Evidence Guide to Why You're Tired and What...

Sripanidkulchai (2020)

PMID 32010339 →

Cited in: Aged garlic extract benefits: what the evidence shows

Kolanu 2023

PMID 32042527 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Mohr et al. (2020)

PMID 32398103 →

Cited in: Supplement for immune system UK: what actually works

Mizuno 2021

PMID 32498248 →

Cited in: Energy & Fatigue: An Evidence Guide to Why You're Tired and What...

Knezevic 2021

PMID 32545596 →

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Tomita 2021

PMID 32665261 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Langade 2021

PMID 32818573 →

Cited in: The Sleep Quality Evidence Guide: What the Research Actually Say...

PMID: 32867295 (2020)

PMID 32867295 →

Cited in: Best Greens Powders UK 2026 — An Evidence-Based Comparison

D'Andrea 2021

PMID 32880851 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Jothimani et al. (2020)

PMID 32920234 →

Cited in: Zinc deficiency symptoms in men: evidence explained

Nicholls et al. (2020)

PMID 32988592 →

Cited in: Omega-3 at 40: the cardiovascular and cognitive case for adequat...

Wrzosek 2021

PMID 33076711 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Schröder et al. (2020)

PMID 33113298 →

Cited in: Zinc deficiency symptoms in men: evidence explained

Zughaier 2021

PMID 33133107 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Martinez-Zapata et al. (2020)

PMID 33141449 →

Cited in: Grape Seed Extract: Benefits, Dosage & Safety (UK Guide)

Smith 2021

PMID 33150931 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Cerullo 2020

PMID 33193359 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Bonilla et al. (2024)

PMID 33670194 →

Cited in: Adaptogens & ashwagandha: what the evidence shows

Arab et al. (2023)

PMID 33260549 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Meena et al. (2023)

PMID 34113600 →

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Coelho et al. (2023)

PMID 34369228 →

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Allison et al. (2022)

PMID 33259790 →

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Toulabi et al. (2022)

PMID 33541815 →

Cited in: Olive Leaf Extract: Evidence, Dosage & Safety (UK)

Henter et al. (2022)

PMID 33904154 →

Cited in: Glycine: Evidence, Dosage & Safety Guide

Chung et al. (2022)

PMID 34061438 →

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Wu et al. (2022)

PMID 34329568 →

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Calahan et al. (2021)

PMID 33267700 →

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Zhao et al. (2021)

PMID 33310112 →

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Verma et al. (2021)

PMID 33338583 →

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Guest et al. (2021)

PMID 33388079 →

Cited in: Cognitive supplement UK: what the evidence actually shows

Hodgins et al. (2021)

PMID 34048361 →

Cited in: Micronutrient supplement powder: what works

Hall et al. (2021)

PMID 34234088 →

Cited in: Benefits of creatine for men over 40: what the data says

P�rez-G�mez J, Villafaina S, Adsuar JC, Merellano-Navarro E, Collado-Mateo D.. Effects of Ashwagandha (Withania somnifera) on VO2max: A Systematic Review and Meta-Analysis. Nutrients. (2020)

PMID 33230207 →

Cited in: Ashwagandha: separating the evidence from the marketing

Zini et al. (2020)

PMID 33293771 →

Cited in: Aged garlic extract benefits: what the evidence shows

Arenas-Jal 2021

PMID 33325173 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Dominguez 2021

PMID 33396570 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Elagizi 2021

PMID 33445534 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Mielgo-Ayuso et al. (2021)

PMID 33498579 →

Cited in: Supplement for muscle recovery: what works

Hansen et al. (2021)

PMID 33499519 →

Cited in: Can high cortisol cause insomnia?

Jong et al. (2021)

PMID 33557848 →

Cited in: The Kōjō formula: why we built it, what we changed, and where it...

Kreider et al. (2021)

PMID 33572884 →

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Solmaz et al. (2021)

PMID 33639045 →

Cited in: Vitamin D3 and K2: why take them together?

Jagim et al. (2021)

PMID 33670822 →

Cited in: Benefits of creatine for men over 40: what the data says

Benson 2021

PMID 33682105 →

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Markun 2021

PMID 33809274 →

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Feng et al. (2021)

PMID 33822801 →

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Togonon et al. (2021)

PMID 33830634 →

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González-Hedström 2021

PMID 33854149 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Ismail et al. (2021)

PMID 33868820 →

Cited in: Olive Leaf Extract: Evidence, Dosage & Safety (UK)

Wax B, et al.. Creatine for Exercise and Sports Performance, with Recovery Considerations for Healthy Populations. Nutrients. (2021)

PMID 33917765 →

Cited in: Why Supplement Labels Lie — A Guide to Proprietary Blends

Amini et al. (2021)

PMID 34122682 →

Cited in: Antioxidant supplement UK: what the evidence shows

Gopukumar K, Thanawala S, Somepalli V, et al.. Efficacy and Safety of Ashwagandha Root Extract on Cognitive Functions in Healthy, Stressed Adults: A Randomized, Double-Blind, Placebo-Controlled Study. Evidence-Based Complementary and Alternative Medicine, 2021, 8254344. (2021)

PMID 34186991 →

Cited in: Ashwagandha Benefits — What the Evidence Actually Shows

Wax et al. (2021)

PMID 34199588 →

Cited in: Supplement for muscle recovery: what works

Ken-Dror et al. (2021)

PMID 34323304 →

Cited in: Lack of sleep cortisol: What the evidence shows

Gao et al. (2021)

PMID 34332439 →

Cited in: Energy supplement powder: What the evidence shows

Bj�rnsson HK, Bj�rnsson ES.. Herb-induced liver injury: Molecular mechanisms, clinical characteristics, diagnosis, and management. Liver Int. (2020)

PMID 33982845 →

Cited in: Ashwagandha: separating the evidence from the marketing

Borrás 2021

PMID 34116572 →

Cited in: The Sleep Quality Evidence Guide: What the Research Actually Say...

Smith-Ryan et al. (2021)

PMID 34279554 →

Cited in: Supplements for Women — Evidence-Based Nutritional Needs (UK)

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PMID 34356299 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Chilibeck et al. (2021)

PMID 34385400 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Razaghi 2021

PMID 34392068 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Ahmed et al. (2024)

PMID 34443625 →

Cited in: Aged garlic extract benefits: what the evidence shows

Ostojic et al. (2024)

PMID 34646542 →

Cited in: How much creatine per day: what the evidence shows

Kruk et al. (2022)

PMID 34470608 →

Cited in: Natural sleep supplement UK: what the evidence shows

Henry et al. (2022)

PMID 34512546 →

Cited in: Sleep and cortisol: What the evidence shows

Veronese et al. (2021)

PMID 34435959 →

Cited in: Magnesium Supplements UK — The Complete Guide to Forms and Evide...

Lewis 2023

PMID 34541370 →

Cited in: The Evidence Guide to Cognitive Performance: What the Research A...

Gopal 2021

PMID 34553463 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Cheah 2021

PMID 34559859 →

Cited in: The Sleep Quality Evidence Guide: What the Research Actually Say...

Iijima et al. (2022)

PMID 34687066 →

Cited in: Lower zinc levels: What the evidence shows

Böttger et al. (2022)

PMID 34717701 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Juan et al. (2022)

PMID 34896904 →

Cited in: Cognitive supplement UK: what the evidence actually shows

Spencer et al. (2022)

PMID 34941392 →

Cited in: Supplement for immune system UK: what actually works

Derbyshire et al. (2022)

PMID 34959942 →

Cited in: Nootropic supplement UK: what the evidence shows

Boivin et al. (2022)

PMID 34969316 →

Cited in: Lack of sleep cortisol: What the evidence shows

Ito et al. (2022)

PMID 34978460 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says

Turnagöl et al. (2022)

PMID 35010929 →

Cited in: Supplement for muscle recovery: what works

Gómez-Martínez et al. (2022)

PMID 35010932 →

Cited in: Daily supplement powder: what the evidence shows

Rondanelli et al. (2022)

PMID 35010952 →

Cited in: Once daily supplement: What the evidence shows

Ekemen et al. (2022)

PMID 35064310 →

Cited in: Lower zinc levels: What the evidence shows

Vu et al. (2022)

PMID 35099985 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says

Amorim et al. (2022)

PMID 35124475 →

Cited in: Cortisol high at night: What the evidence shows

Reber et al. (2022)

PMID 35241014 →

Cited in: All-in-one supplement vs. a separate stack: what the evidence sa...

Avgerinos et al. (2022)

PMID 35263889 →

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Roberts et al. (2022)

PMID 35276891 →

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Mlili et al. (2022)

PMID 35297354 →

Cited in: High cortisol symptoms sleep: What the evidence shows

Sulaiman et al. (2022)

PMID 35400325 →

Cited in: Ashwagandha and rhodiola combination: the evidence

Agarwal et al. (2022)

PMID 35485591 →

Cited in: Vitamin C: Evidence-Based Benefits, Dosage & Safety (UK Guide)

Bj�rnsson HK, Bj�rnsson ES.. Drug-induced liver injury: Pathogenesis, epidemiology, clinical features, and practical management. European Journal of Internal Medicine, 97, 26-31. [Referenced in context of ashwagandha hepatotoxicity case series.] (2022)

PMID 35609596 →

Cited in: Ashwagandha Benefits — What the Evidence Actually Shows

Usmanova et al. (2022)

PMID 35613345 →

Cited in: Lower zinc levels: What the evidence shows

Sincan et al. (2022)

PMID 35635598 →

Cited in: Lower zinc levels: What the evidence shows

Kim et al. (2022)

PMID 35684138 →

Cited in: Pyridoxal 5-phosphate vitamin B6: what the data says

Agorastos et al. (2021)

PMID 34603634 →

Cited in: Insomnia cortisol: What the evidence shows

19 RCTs in Waldron et al. (2021)

PMID 34781170 →

Cited in: Daily vitamin powder: What the evidence shows

Majeed M, Nagabhushanam K, Mundkur L.. A standardized Ashwagandha root extract alleviates stress, anxiety, and improves quality of life in healthy adults: A randomized, double-blind, placebo-controlled trial. Medicine, 100(50), e28172. (2021)

PMID 34858513 →

Cited in: High cortisol levels and sleep: what the evidence shows

Hidese S, Ogawa S, Ota M, et al. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial. Nutrients. 2019;11(10):2362. (2019)

PMID 34857999 →

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PMID 34904472 →

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PMID 35091881 →

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PMID 35199552 →

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Banjanin 2022

PMID 35212629 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Rizzo 2022

PMID 35215501 →

Cited in: Stress & Cortisol: An Evidence Guide to What Actually Happens in...

Avgerinos et al. (2022)

PMID 35383708 →

Cited in: Perimenopause Supplements UK — What the Evidence Shows

Duffy 2022

PMID 35436355 →

Cited in: The Sleep Quality Evidence Guide: What the Research Actually Say...

Dasdelen 2022

PMID 35449538 →

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Diederichsen 2022

PMID 35465686 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Bikle 2022

PMID 35507293 →

Cited in: Immune Defence: An Evidence Guide to How the Body Protects Itsel...

Loftfield et al. (2022)

PMID 35727271 →

Cited in: Daily vitamin powder: What the evidence shows

Mason 2023

PMID 35739003 →

Cited in: The Cardiovascular Evidence Guide: What the Research Actually Sa...

Ivanova 2022

PMID 35745023 →

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Robles 2022

PMID 35752985 →

Cited in: Hormonal Health: An Evidence Guide to How the Endocrine System A...

Jadhav 2024

PMID 35774605 →

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Cruz et al. (2024)

PMID 35957977 →

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Abdel-Hady (2024)

PMID 36044000 →

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Aggarwal et al. (2023)

PMID 35901407 →

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Meth et al. (2023)

PMID 36184925 →

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Lai et al. (2023)

PMID 36413493 →

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Verceles et al. (2023)

PMID 36473808 →

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Vrieling et al. (2023)

PMID 36709082 →

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Dugan et al. (2023)

PMID 36735849 →

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Cesar et al. (2022)

PMID 35796695 →

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