Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Improved meta-analytic methods show no effect of chromium supplements on fasting glucose.
Bailey CH · Biological trace element research · 2014
Meta-analysis809 participants16 studies pooledflagMetabolism Boost forscienceChromium
- The effects of green tea extract supplementation on body composition, obesity-related hormones and oxidative stress markers: a grade-assessed systematic review and dose-response meta-analysis of randomised controlled trials.
Asbaghi O; Rezaei Kelishadi M; Larky DA; Bagheri R; Amirani N; Goudarzi K; Kargar F; Ghanavati M; Zamani M · The British journal of nutrition · 2024
Meta-analysis3,802 participants59 studies pooledflagWeight Loss forscienceGreen Tea
- Effects of green tea or green tea extract on insulin sensitivity and glycaemic control in populations at risk of type 2 diabetes mellitus: a systematic review and meta-analysis of randomised controlled trials.
Wang X; Tian J; Jiang J; Li L; Ying X; Tian H; Nie M · Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2015
Meta-analysis510 participants7 studies pooledflagMetabolism Boost forscienceGreen Tea
- Effects of green tea on weight maintenance after body-weight loss.
Kovacs EM; Lejeune MP; Nijs I; Westerterp-Plantenga MS · The British journal of nutrition · 2004
Randomized trial104 participantsflagWeight Loss forscienceGreen Tea
- Metabolic response to green tea extract during rest and moderate-intensity exercise.
Hodgson AB; Randell RK; Boon N; Garczarek U; Mela DJ; Jeukendrup AE; Jacobs DM · The Journal of nutritional biochemistry · 2013
Randomized trial27 participantsflagMetabolism Boost forscienceGreen Tea
- Chromium supplementation in non-obese non-diabetic subjects is associated with a decline in insulin sensitivity.
Masharani U; Gjerde C; McCoy S; Maddux BA; Hessler D; Goldfine ID; Youngren JF · BMC endocrine disorders · 2013
Randomized trial31 participantsflagMetabolism Boost forscienceChromium
- The Effects of Supplementation with Chromium on Insulin Resistance Indices in Women with Polycystic Ovarian Syndrome: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.
Heshmati J; Omani-Samani R; Vesali S; Maroufizadeh S; Rezaeinejad M; Razavi M; Sepidarkish M · Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2018
Meta-analysis268 participants5 studies pooledflagMetabolism Boost forscienceChromium
- Effect of green tea on glucose control and insulin sensitivity: a meta-analysis of 17 randomized controlled trials.
Liu K; Zhou R; Wang B; Chen K; Shi LY; Zhu JD; Mi MT · The American journal of clinical nutrition · 2013
Meta-analysis1,133 participants17 studies pooledflagMetabolism Boost forscienceGreen Tea
- Green tea catechin consumption enhances exercise-induced abdominal fat loss in overweight and obese adults.
Maki KC; Reeves MS; Farmer M; Yasunaga K; Matsuo N; Katsuragi Y; Komikado M; Tokimitsu I; Wilder D; Jones F; Blumberg JB; Cartwright Y · The Journal of nutrition · 2009
Randomized trial132 participantsflagWeight Loss forscienceGreen Tea
- Green tea extract ingestion, fat oxidation, and glucose tolerance in healthy humans.
Venables MC; Hulston CJ; Cox HR; Jeukendrup AE · The American journal of clinical nutrition · 2008
Randomized trial23 participantsflagMetabolism Boost forscienceGreen Tea
- Elevated intakes of supplemental chromium improve glucose and insulin variables in individuals with type 2 diabetes.
Anderson RA; Cheng N; Bryden NA; Polansky MM; Cheng N; Chi J; Feng J · Diabetes · 1997
Randomized trial180 participantsflagMetabolism Boost forscienceChromium
- Effect of Decaffeinated Green Tea Polyphenols on Body Fat and Precocious Puberty in Obese Girls: A Randomized Controlled Trial.
Xie L; Tang Q; Yao D; Gu Q; Zheng H; Wang X; Yu Z; Shen X · Frontiers in endocrinology · 2022
Randomized trial62 participantsflagWeight Loss forscienceGreen Tea
- Effectiveness of green tea on weight reduction in obese Thais: A randomized, controlled trial.
Auvichayapat P; Prapochanung M; Tunkamnerdthai O; Sripanidkulchai BO; Auvichayapat N; Thinkhamrop B; Kunhasura S; Wongpratoom S; Sinawat S; Hongprapas P · Physiology & behavior · 2008
Randomized trial60 participantsflagWeight Loss forscienceGreen Tea
- Chromium effects on glucose tolerance and insulin sensitivity in persons at risk for diabetes mellitus.
Ali A; Ma Y; Reynolds J; Wise JP; Inzucchi SE; Katz DL · Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists · 2011
Randomized trial59 participantsflagMetabolism Boost forscienceChromium
- A 60-Day Green Tea Extract Supplementation Counteracts the Dysfunction of Adipose Tissue in Overweight Post-Menopausal and Class I Obese Women.
Rondanelli M; Gasparri C; Perna S; Petrangolini G; Allegrini P; Fazia T; Bernardinelli L; Cavioni A; Mansueto F; Oberto L; Patelli Z; Tartara A; Riva A · Nutrients · 2022
Randomized trial28 participantsflagMetabolism Boost forscienceGreen Tea
- Chromium picolinate supplementation attenuates body weight gain and increases insulin sensitivity in subjects with type 2 diabetes.
Martin J; Wang ZQ; Zhang XH; Wachtel D; Volaufova J; Matthews DE; Cefalu WT · Diabetes care · 2006
Randomized trial37 participantsflagMetabolism Boost flagWeight Loss forscienceChromium
- Therapeutic effect of high-dose green tea extract on weight reduction: A randomized, double-blind, placebo-controlled clinical trial.
Chen IJ; Liu CY; Chiu JP; Hsu CH · Clinical nutrition (Edinburgh, Scotland) · 2018
Randomized trial102 participantsflagWeight Loss forscienceGreen Tea
- Metabolic response to epigallocatechin-3-gallate in relapsing-remitting multiple sclerosis: a randomized clinical trial.
Mähler A; Steiniger J; Bock M; Klug L; Parreidt N; Lorenz M; Zimmermann BF; Krannich A; Paul F; Boschmann M · The American journal of clinical nutrition · 2015
Randomized trial18 participantsflagMetabolism Boost forscienceGreen Tea
- Comparison of nutritional supplements in improving glycolipid metabolism and endocrine function in polycystic ovary syndrome: a systematic review and network meta-analysis.
Hu X; Wang W; Su X; Peng H; Tan Z; Li Y; Huang Y · PeerJ · 2023
Meta-analysis2,362 participants41 studies pooledflagMetabolism Boost forscienceChromium
- Green tea beverages enriched with catechins with a galloyl moiety reduce body fat in moderately obese adults: a randomized double-blind placebo-controlled trial.
Kobayashi M; Kawano T; Ukawa Y; Sagesaka YM; Fukuhara I · Food & function · 2016
Randomized trial126 participantsflagWeight Loss forscienceGreen Tea
- Effect of Acute and Chronic Dietary Supplementation with Green Tea Catechins on Resting Metabolic Rate, Energy Expenditure and Respiratory Quotient: A Systematic Review.
Rondanelli M; Riva A; Petrangolini G; Allegrini P; Perna S; Faliva MA; Peroni G; Naso M; Nichetti M; Perdoni F; Gasparri C · Nutrients · 2021
Systematic review499 participants15 studies pooledflagMetabolism Boost forscienceGreen Tea
- [Chromium supplementation in patients with type 2 diabetes and high risk of type 2 diabetes: a meta-analysis of randomized controlled trials].
San Mauro-Martin I; Ruiz-León AM; Camina-Martín MA; Garicano-Vilar E; Collado-Yurrita L; Mateo-Silleras Bd; Redondo Del Río Mde P · Nutricion hospitalaria · 2017
Meta-analysis13 studies pooledflagMetabolism Boost forscienceChromium
- Does green tea extract enhance the anti-inflammatory effects of exercise on fat loss?
Bagheri R; Rashidlamir A; Ashtary-Larky D; Wong A; Alipour M; Motevalli MS; Chebbi A; Laher I; Zouhal H · British journal of clinical pharmacology · 2021
Randomized trial30 participantsflagWeight Loss forscienceGreen Tea
- Epigallocatechin-3-gallate and postprandial fat oxidation in overweight/obese male volunteers: a pilot study.
Thielecke F; Rahn G; Böhnke J; Adams F; Birkenfeld AL; Jordan J; Boschmann M · European journal of clinical nutrition · 2011
Randomized trial10 participantsflagMetabolism Boost forscienceGreen Tea
- Systematic review and meta-analysis of the efficacy and safety of chromium supplementation in diabetes.
Suksomboon N; Poolsup N; Yuwanakorn A · Journal of clinical pharmacy and therapeutics · 2015
Meta-analysis25 studies pooledflagMetabolism Boost forscienceChromium
- Effects of dietary supplementation with epigallocatechin-3-gallate on weight loss, energy homeostasis, cardiometabolic risk factors and liver function in obese women: randomised, double-blind, placebo-controlled clinical trial.
Mielgo-Ayuso J; Barrenechea L; Alcorta P; Larrarte E; Margareto J; Labayen I · The British journal of nutrition · 2014
Randomized trial83 participantsflagWeight Loss forscienceGreen Tea
- Effects of timing of acute catechin-rich green tea ingestion on postprandial glucose metabolism in healthy men.
Takahashi M; Ozaki M; Miyashita M; Fukazawa M; Nakaoka T; Wakisaka T; Matsui Y; Hibi M; Osaki N; Shibata S · The Journal of nutritional biochemistry · 2020
Randomized trial17 participantsflagMetabolism Boost forscienceGreen Tea
- Chromium picolinate does not improve key features of metabolic syndrome in obese nondiabetic adults.
Iqbal N; Cardillo S; Volger S; Bloedon LT; Anderson RA; Boston R; Szapary PO · Metabolic syndrome and related disorders · 2009
Randomized trial63 participantsflagMetabolism Boost forscienceChromium
- Green tea supplementation affects body weight, lipids, and lipid peroxidation in obese subjects with metabolic syndrome.
Basu A; Sanchez K; Leyva MJ; Wu M; Betts NM; Aston CE; Lyons TJ · Journal of the American College of Nutrition · 2010
Randomized trial35 participantsflagWeight Loss forscienceGreen Tea
- Time-of-day-dependent effects of a green tea extract on postprandial glycemia and insulinemia in healthy adults: a randomized, controlled, double-blind, cross-over intervention.
Sulaimani N; Rosbotham EJ; Warnock R; Polzella L; Judowski R; Nicolotti L; Houghton MJ; Williamson G; Bonham MP · Food & function · 2025
Randomized trial14 participantsflagMetabolism Boost forscienceGreen Tea
- Green tea and coffee intake and risk of cognitive decline in older adults: the National Institute for Longevity Sciences, Longitudinal Study of Aging.
Shirai Y; Kuriki K; Otsuka R; Kato Y; Nishita Y; Tange C; Tomida M; Imai T; Ando F; Shimokata H · Public health nutrition · 2021
Cohort study1,305 participantsflagAnti-Aging forscienceGreen Tea
- Associations of green tea, coffee, and soft drink consumption with longitudinal changes in leukocyte telomere length.
Sohn I; Shin C; Baik I · Scientific reports · 2023
Cohort study1,952 participantsflagAnti-Aging forscienceGreen Tea
- Can teatime increase one's lifetime?
Nakachi K; Eguchi H; Imai K · Ageing research reviews · 2003
Cohort studyflagAnti-Aging forscienceGreen Tea
- Influences of tea consumption on self-rated health and life satisfaction among older adults: Evidence from the CLHLS.
Zou M; Sun C; Yang M; Li C; Wang S; Zheng D; Wang J; Yu L; Sun L; Wang Y; Chen H; Zeng Y · PsyCh journal · 2025
Cohort study78,345 participantsflagAnti-Aging forscienceGreen Tea
- Double-blinded, placebo-controlled trial of green tea extracts in the clinical and histologic appearance of photoaging skin.
Chiu AE; Chan JL; Kern DG; Kohler S; Rehmus WE; Kimball AB · Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2005
Randomized trial40 participantsflagAnti-Aging forscienceGreen Tea
- The effects of green tea on acne vulgaris: A systematic review and meta-analysis of randomized clinical trials.
Kim S; Park TH; Kim WI; Park S; Kim JH; Cho MK · Phytotherapy research : PTR · 2021
Meta-analysis247 participants5 studies pooledflagAnti-Inflammatory Support forscienceGreen Tea
- Green Tea Catechin Association with Ultraviolet Radiation-Induced Erythema: A Systematic Review and Meta-Analysis.
Kapoor MP; Sugita M; Fukuzawa Y; Timm D; Ozeki M; Okubo T · Molecules (Basel, Switzerland) · 2021
Meta-analysis100 participants6 studies pooledflagAnti-Inflammatory Support flagSkin Health forscienceGreen Tea
- Efficacy of (-)-epigallocatechin gallate delivered by a new-type scaler tip during scaling and root planing on chronic periodontitis: a split-mouth, randomized clinical trial.
Wang Y; Zeng J; Yuan Q; Luan Q · BMC oral health · 2021
Randomized trial20 participantsflagAnti-Inflammatory Support forscienceGreen Tea
- Camellia Sinensis Mouthwashes in Oral Care: a Systematic Review.
Tafazoli A; Tafazoli Moghadam E · Journal of dentistry (Shiraz, Iran) · 2020
Systematic review69 studies pooledflagAnti-Inflammatory Support forscienceGreen Tea
- Skin photoprotection by green tea: antioxidant and immunomodulatory effects.
Katiyar SK · Current drug targets. Immune, endocrine and metabolic disorders · 2004
Narrative reviewflagAnti-Inflammatory Support forscienceGreen Tea
- Safety and efficacy of cognitive training plus epigallocatechin-3-gallate in young adults with Down's syndrome (TESDAD): a double-blind, randomised, placebo-controlled, phase 2 trial.
de la Torre R; de Sola S; Hernandez G; Farré M; Pujol J; Rodriguez J; Espadaler JM; Langohr K; Cuenca-Royo A; Principe A; Xicota L; Janel N; Catuara-Solarz S; Sanchez-Benavides G; Bléhaut H; Dueñas-Espín I; Del Hoyo L; Benejam B; Blanco-Hinojo L; Videla S; Fitó M; Delabar JM; Dierssen M; TESDAD study group · The Lancet. Neurology · 2017
Randomized trial87 participantsflagCognitive Support forscienceGreen Tea
- Association between tea consumption and risk of cognitive disorders: A dose-response meta-analysis of observational studies.
Liu X; Du X; Han G; Gao W · Oncotarget · 2018
Meta-analysis48,435 participants17 studies pooledflagCognitive Support forscienceGreen Tea
- Investigating the Impact of Tea Consumption on Cognitive Function and Exploring Tea-Genetic Interactions in Older Adults Aged 65-105 Years: Findings from the 2002-2018 CLHLS Data.
Yu L; Yang M; Ye KX; Li C; Zou M; Wang J; Yuan X; Zheng D; Sun C; Zhang Y; Feng Q; Maier AB; Sun L; Feng L; Wang Y; Chen H; Zeng Y · The journal of prevention of Alzheimer's disease · 2024
Cohort study76,270 participantsflagCognitive Support forscienceGreen Tea
- Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
Noguchi-Shinohara M; Yuki S; Dohmoto C; Ikeda Y; Samuraki M; Iwasa K; Yokogawa M; Asai K; Komai K; Nakamura H; Yamada M · PloS one · 2014
Cohort study490 participantsflagCognitive Support forscienceGreen Tea
- Green Tea Consumption and the Risk of Incident Dementia in Elderly Japanese: The Ohsaki Cohort 2006 Study.
Tomata Y; Sugiyama K; Kaiho Y; Honkura K; Watanabe T; Zhang S; Sugawara Y; Tsuji I · The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry · 2018
Cohort study13,645 participantsflagCognitive Support forscienceGreen Tea
- Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task.
Foxe JJ; Morie KP; Laud PJ; Rowson MJ; de Bruin EA; Kelly SP · Neuropharmacology · 2012
Randomized trial27 participantsflagCognitive Support forscienceTheanine
- Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Payne ER; Aceves-Martins M; Dubost J; Greyling A; de Roos B · Nutrition reviews · 2025
Meta-analysis50 studies pooledflagCognitive Support forscienceTheanine
- Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.
Hidese S; Ogawa S; Ota M; Ishida I; Yasukawa Z; Ozeki M; Kunugi H · Nutrients · 2020
Randomized trial30 participantsflagCognitive Support forscienceTheanine
- Dose-response effect of L-theanine on psychomotor speed, sustained attention, and inhibitory control: a double-blind, placebo-controlled, crossover study.
Dassanayake TL; Wijesundara D; Kahathuduwa CN; Weerasinghe VS · Nutritional neuroscience · 2023
Randomized trial32 participantsflagCognitive Support forscienceTheanine
- Acute effects of theanine, caffeine and theanine-caffeine combination on attention.
Kahathuduwa CN; Dassanayake TL; Amarakoon AMT; Weerasinghe VS · Nutritional neuroscience · 2018
Clinical trial20 participantsflagCognitive Support forscienceTheanine
- Chromium Supplementation and the Effects on Metabolic Status in Women with Polycystic Ovary Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial.
Jamilian M; Asemi Z · Annals of nutrition & metabolism · 2016
Randomized trial64 participantsflagMetabolism Boost forscienceChromium
- A Comprehensive insight into the effect of chromium supplementation on oxidative stress indices in diabetes mellitus: A systematic review.
Kooshki F; Tutunchi H; Vajdi M; Karimi A; Niazkar HR; Shoorei H; Pourghassem Gargari B · Clinical and experimental pharmacology & physiology · 2024
Systematic review33 studies pooledflagMetabolism Boost forscienceChromium
- Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans.
Dulloo AG; Duret C; Rohrer D; Girardier L; Mensi N; Fathi M; Chantre P; Vandermander J · The American journal of clinical nutrition · 1999
Randomized trial10 participantsflagMetabolism Boost forscienceGreen Tea
- Epigallocatechin gallate alleviates non-alcoholic fatty liver disease through the inhibition of the expression and activity of Dipeptide kinase 4.
Yang M; Yan R; Sha R; Wang X; Zhou S; Li B; Zheng Q; Cao Y · Clinical nutrition (Edinburgh, Scotland) · 2024
Randomized trialflagMetabolism Boost forscienceGreen Tea
- Topical Polyphenon E in the treatment of external genital and perianal warts: a randomized controlled trial.
Stockfleth E; Beti H; Orasan R; Grigorian F; Mescheder A; Tawfik H; Thielert C · The British journal of dermatology · 2008
Randomized trial503 participantsflagSkin Health forscienceGreen Tea
- Efficacy, safety and tolerability of green tea catechins in the treatment of external anogenital warts: a systematic review and meta-analysis.
Tzellos TG; Sardeli C; Lallas A; Papazisis G; Chourdakis M; Kouvelas D · Journal of the European Academy of Dermatology and Venereology : JEADV · 2011
Meta-analysis1,247 participants3 studies pooledflagSkin Health forscienceGreen Tea
- Green tea polyphenols provide photoprotection, increase microcirculation, and modulate skin properties of women.
Heinrich U; Moore CE; De Spirt S; Tronnier H; Stahl W · The Journal of nutrition · 2011
Randomized trial60 participantsflagSkin Health forscienceGreen Tea
- Efficacy of Epigallocatechin-3-Gallate in Preventing Dermatitis in Patients With Breast Cancer Receiving Postoperative Radiotherapy: A Double-Blind, Placebo-Controlled, Phase 2 Randomized Clinical Trial.
Zhao H; Zhu W; Zhao X; Li X; Zhou Z; Zheng M; Meng X; Kong L; Zhang S; He D; Xing L; Yu J · JAMA dermatology · 2022
Randomized trial180 participantsflagSkin Health forscienceGreen Tea
- The Influences of Chromium Supplementation on Metabolic Status in Patients with Type 2 Diabetes Mellitus and Coronary Heart Disease.
Farrokhian A; Mahmoodian M; Bahmani F; Amirani E; Shafabakhsh R; Asemi Z · Biological trace element research · 2021
Randomized trial64 participantsflagWeight Loss forscienceChromium
- Chromium picolinate reduces insulin resistance in polycystic ovary syndrome: Randomized controlled trial.
Ashoush S; Abou-Gamrah A; Bayoumy H; Othman N · The journal of obstetrics and gynaecology research · 2017
Randomized trial100 participantsflagWeight Loss forscienceChromium
- Chromium supplementation and polycystic ovary syndrome: A systematic review and meta-analysis.
Fazelian S; Rouhani MH; Bank SS; Amani R · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2018
Meta-analysis351 participants7 studies pooledflagWeight Loss forscienceChromium
- Chromium picolinate balances the metabolic and clinical markers in nonalcoholic fatty liver disease: a randomized, double-blind, placebo-controlled trial.
Kooshki F; Moradi F; Karimi A; Niazkar HR; Khoshbaten M; Maleki V; Pourghassem Gargari B · European journal of gastroenterology & hepatology · 2021
Randomized trial46 participantsflagWeight Loss forscienceChromium
- A green tea extract high in catechins reduces body fat and cardiovascular risks in humans.
Nagao T; Hase T; Tokimitsu I · Obesity (Silver Spring, Md.) · 2007
Randomized trial240 participantsflagWeight Loss forscienceGreen Tea