Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Dietary supplements and fatigue in patients with breast cancer: a systematic review.
Pereira PTVT; Reis AD; Diniz RR; Lima FA; Leite RD; da Silva MCP; Guerra RNM; de Moraes Vieira ÉB; Garcia JBS · Breast cancer research and treatment · 2019
Systematic review932 participants8 studies pooledflagEnergy forscienceGuarana
- Purified dry extract of Paullinia cupana (guaraná) (PC-18) for chemotherapy-related fatigue in patients with solid tumors: an early discontinuation study.
del Giglio AB; Cubero Dde I; Lerner TG; Guariento RT; de Azevedo RG; Paiva H; Goldman C; Carelli B; Cruz FM; Schindler F; Pianowski L; de Matos LL; del Giglio A · Journal of dietary supplements · 2014
Randomized trial40 participantsflagEnergy forscienceGuarana
- Effects of Acute Guarana (Paullinia cupana) Ingestion on Mental Performance and Vagal Modulation Compared to a Low Dose of Caffeine.
Talik TN; Penna EM; Hack BP; Harp A; Millard-Stafford M · Nutrients · 2024
Randomized trial20 participantsflagCognitive Support flagEnergy forscienceGuarana
- Efficacy of Ginkgo biloba extract EGb 761® in dementia with behavioural and psychological symptoms: A systematic review.
von Gunten A; Schlaefke S; Überla K · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry · 2017
Meta-analysis1,628 participants4 studies pooledflagCognitive Support forscienceGinkgo
- Ginkgo biloba extract EGb 761 is safe and effective in the treatment of mild dementia - a meta-analysis of patient subgroups in randomised controlled trials.
Riepe M; Hoerr R; Schlaefke S · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry · 2025
Meta-analysis782 participants4 studies pooledflagCognitive Support forscienceGinkgo
- Ginkgo biloba for cognitive impairment and dementia.
Wieland LS; Ludeman E; Chi Y; Feinberg TM; Chen IH; Chen KH; Zhu Y; Wolverson E; Amri H · The Cochrane database of systematic reviews · 2026
Meta-analysis10,613 participants82 studies pooledflagCognitive Support forscienceGinkgo
- Ginkgo biloba Extract (EGb761), Cholinesterase Inhibitors, and Memantine for the Treatment of Mild-to-Moderate Alzheimer's Disease: A Network Meta-Analysis.
Thancharoen O; Limwattananon C; Waleekhachonloet O; Rattanachotphanit T; Limwattananon P; Limpawattana P · Drugs & aging · 2019
Meta-analysisflagCognitive Support forscienceGinkgo
- The effect of plant active substances on cognitive function in healthy older adults: a systematic review and network meta-analysis of randomized controlled trials.
Feng X; Fan S; Wei F · Frontiers in pharmacology · 2026
Meta-analysis1,861 participants25 studies pooledflagCognitive Support forscienceGuarana
- Cognitive effects of guarana supplementation with maximal intensity cycling.
Gurney T; Bradley N; Izquierdo D; Ronca F · The British journal of nutrition · 2023
Randomized trial25 participantsflagCognitive Support forscienceGuarana
- Effect of Guarana (Paullinia cupana) on Cognitive Performance: A Systematic Review and Meta-Analysis.
Hack B; Penna EM; Talik T; Chandrashekhar R; Millard-Stafford M · Nutrients · 2023
Meta-analysis328 participants8 studies pooledflagCognitive Support forscienceGuarana
- Senile dementia: treatment with deanol.
Ferris SH; Sathananthan G; Gershon S; Clark C · Journal of the American Geriatrics Society · 1977
Single-arm trial14 participantsflagCognitive Support forscienceDeanol
- The Effects of L-Carnitine on Echocardiographic Changes in Patients With β-Thalassemia Major and Intermedia.
Shahidi M; Hashemi SR; Fattahi N; Roshani D; Vahedi S; Sharifi P; Moradveisi B · Journal of pediatric hematology/oncology · 2020
Randomized trial60 participantsflagCardiovascular Support forscienceL-Carnitine
- L-Carnitine's Effect on the Biomarkers of Metabolic Syndrome: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Choi M; Park S; Lee M · Nutrients · 2021
Meta-analysis9 studies pooledflagCardiovascular Support forscienceL-Carnitine
- The Effects of L-Carnitine Supplementation on Serum Lipids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Fathizadeh H; Milajerdi A; Reiner Ž; Kolahdooz F; Chamani M; Amirani E; Asemi Z · Current pharmaceutical design · 2020
Meta-analysis67 studies pooledflagCardiovascular Support forscienceL-Carnitine
- Effective dosing of L-carnitine in the secondary prevention of cardiovascular disease: a systematic review and meta-analysis.
Shang R; Sun Z; Li H · BMC cardiovascular disorders · 2015
Meta-analysis3,108 participants5 studies pooledflagCardiovascular Support forscienceL-Carnitine
- Intestinal microbiota metabolism of L-carnitine, a nutrient in red meat, promotes atherosclerosis.
Koeth RA; Wang Z; Levison BS; Buffa JA; Org E; Sheehy BT; Britt EB; Fu X; Wu Y; Li L; Smith JD; DiDonato JA; Chen J; Li H; Wu GD; Lewis JD; Warrier M; Brown JM; Krauss RM; Tang WH; Bushman FD; Lusis AJ; Hazen SL · Nature medicine · 2013
Other2,595 participantsflagCardiovascular Support forscienceL-Carnitine
- Efficacy of Vitamin C as Glucocorticoid Substitute for Reducing Pain and Inflammation After Total Hip Arthroplasty: A Randomized Controlled Trial.
Jiang W; Xu H; Jiang X; Zhan Y; Ju Y; Xie J; Huang Z; Huang Q; Pei F · The Journal of bone and joint surgery. American volume · 2025
Randomized trial107 participantsflagAnti-Inflammatory Support forscienceVitamin C
- The Impact of Vitamin C on Analgesic, Anti-inflammatory, and Hemostatic Outcomes After Total Hip and Knee Arthroplasty: A Systematic Review and Meta-Analysis.
Moftakhari Hajimirzaei S; Bagherzadeh Cham M; Dolikhani M; Tabatabaee SM; Ebrahimpour A · The archives of bone and joint surgery · 2026
Meta-analysis1,162 participants10 studies pooledflagAnti-Inflammatory Support forscienceVitamin C
- The impact of vitamin C supplementation on the perioperative outcomes after total hip and knee arthroplasty: a systematic review and meta-analysis.
Liu X; Guo J; Li Y; Yang Y; Liu M; Gao Q; Yang Y; Wu X; Yue C · BMC musculoskeletal disorders · 2026
Meta-analysis852 participants8 studies pooledflagAnti-Inflammatory Support forscienceVitamin C
- Therapeutic Impact of Ascorbic Acid on Oral and Periodontal Tissues: A Systematic Literature Review.
Ruzijevaite G; Acaite E; Jagelaviciene E · Medicina (Kaunas, Lithuania) · 2025
Systematic review811 participants17 studies pooledflagAnti-Inflammatory Support forscienceVitamin C
- Oral vitamin C administration reduces early recurrence rates after electrical cardioversion of persistent atrial fibrillation and attenuates associated inflammation.
Korantzopoulos P; Kolettis TM; Kountouris E; Dimitroula V; Karanikis P; Pappa E; Siogas K; Goudevenos JA · International journal of cardiology · 2005
Randomized trial44 participantsflagAnti-Inflammatory Support forscienceVitamin C
- Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial.
Mahjabeen W; Khan DA; Mirza SA; Pervez MA · Phytotherapy research : PTR · 2021
Randomized trial110 participantsflagAnti-Inflammatory Support forscienceVitamin E
- Effect of vitamin E supplementation on serum C-reactive protein level: a meta-analysis of randomized controlled trials.
Saboori S; Shab-Bidar S; Speakman JR; Yousefi Rad E; Djafarian K · European journal of clinical nutrition · 2016
Meta-analysis495 participants12 studies pooledflagAnti-Inflammatory Support forscienceVitamin E
- Efficacy of Nutritional Interventions on Inflammatory Markers in Haemodialysis Patients: A Systematic Review and Limited Meta-Analysis.
Khor BH; Narayanan SS; Sahathevan S; Gafor AHA; Daud ZAM; Khosla P; Sabatino A; Fiaccadori E; Chinna K; Karupaiah T · Nutrients · 2018
Meta-analysis46 studies pooledflagAnti-Inflammatory Support forscienceVitamin E
- Vitamin E improves serum markers and histology in adults with metabolic dysfunction-associated steatotic liver disease: Systematic review and meta-analysis.
Chee NM; Sinnanaidu RP; Chan WK · Journal of gastroenterology and hepatology · 2024
Meta-analysis8 studies pooledflagAnti-Inflammatory Support forscienceVitamin E
- Delta-tocotrienol supplementation improves biochemical markers of hepatocellular injury and steatosis in patients with nonalcoholic fatty liver disease: A randomized, placebo-controlled trial.
Pervez MA; Khan DA; Slehria AUR; Ijaz A · Complementary therapies in medicine · 2021
Randomized trial71 participantsflagAnti-Inflammatory Support forscienceVitamin E
- L-Carnitine supplementation reduces oxidized LDL cholesterol in patients with diabetes.
Malaguarnera M; Vacante M; Avitabile T; Malaguarnera M; Cammalleri L; Motta M · The American journal of clinical nutrition · 2009
Randomized trial81 participantsflagCardiovascular Support forscienceL-Carnitine
- The Effects of L-Carnitine Supplementation on Weight Loss, Glycemic Control, and Cardiovascular Risk Factors in Patients With Type 2 Diabetes: A Systematic Review and Dose-response Meta-Analysis of Randomized Controlled Trials.
Mirrafiei A; Jayedi A; Shab-Bidar S · Clinical therapeutics · 2024
Meta-analysis2,041 participants21 studies pooledflagCardiovascular Support forscienceL-Carnitine
- Efficacy and tolerability of combined treatment with L-carnitine and simvastatin in lowering lipoprotein(a) serum levels in patients with type 2 diabetes mellitus.
Solfrizzi V; Capurso C; Colacicco AM; D'Introno A; Fontana C; Capurso SA; Torres F; Gadaleta AM; Koverech A; Capurso A; Panza F · Atherosclerosis · 2007
Randomized trial52 participantsflagCardiovascular Support forscienceL-Carnitine
- Vitamin C may reduce troponin and CKMB levels after PCI and CABG: a meta-analysis.
Rozemeijer S; Hemilä H; van Baaren M; de Man AME · BMC cardiovascular disorders · 2023
Meta-analysis872 participants7 studies pooledflagCardiovascular Support forscienceVitamin C
- Vitamin C improves endothelium-dependent vasodilation by restoring nitric oxide activity in essential hypertension.
Taddei S; Virdis A; Ghiadoni L; Magagna A; Salvetti A · Circulation · 1998
Clinical trial49 participantsflagCardiovascular Support forscienceVitamin C
- Vitamin C supplementation improves blood pressure and oxidative stress after acute exercise in patients with poorly controlled type 2 diabetes mellitus: A randomized, placebo-controlled, cross-over study.
Boonthongkaew C; Tong-Un T; Kanpetta Y; Chaungchot N; Leelayuwat C; Leelayuwat N · The Chinese journal of physiology · 2021
Randomized trial24 participantsflagCardiovascular Support forscienceVitamin C
- Vascular benefits of vitamin C supplementation against fine particulate air pollution in healthy adults: A double-blind randomised crossover trial.
Ren J; Liang J; Wang J; Yin B; Zhang F; Li X; Zhu S; Tian H; Cui Q; Song J; Liu G; Ling W; Ma Y · Ecotoxicology and environmental safety · 2022
Randomized trial58 participantsflagCardiovascular Support forscienceVitamin C
- Ascorbic acid reduces blood pressure and arterial stiffness in type 2 diabetes.
Mullan BA; Young IS; Fee H; McCance DR · Hypertension (Dallas, Tex. : 1979) · 2003
Randomized trial30 participantsflagCardiovascular Support forscienceVitamin C
- Supplementation with vitamin E alone is associated with reduced myocardial infarction: a meta-analysis.
Loffredo L; Perri L; Di Castelnuovo A; Iacoviello L; De Gaetano G; Violi F · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2016
Meta-analysis16 studies pooledflagCardiovascular Support forscienceVitamin E
- Vitamin E ameliorates blood cholesterol level and alters gut microbiota composition: A randomized controlled trial.
Chen B; Li Y; Li Z; Hu X; Zhen H; Chen H; Nie C; Hou Y; Zhu S; Xiao L; Li T · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2025
Randomized trial90 participantsflagCardiovascular Support forscienceVitamin E
- Effects of long-term vitamin E supplementation on cardiovascular events and cancer: a randomized controlled trial.
Lonn E; Bosch J; Yusuf S; Sheridan P; Pogue J; Arnold JM; Ross C; Arnold A; Sleight P; Probstfield J; Dagenais GR; HOPE and HOPE-TOO Trial Investigators · JAMA · 2005
Randomized trial9,541 participantsflagCardiovascular Support forscienceVitamin E
- Independent and combined associations of dietary antioxidant exposure with all-cause and cause-specific mortality in the general population.
Liu Z; He Z; Xing Y · Journal of nutritional science · 2026
Cohort study34,955 participantsflagCardiovascular Support forscienceVitamin E
- Tocotrienol rich fraction supplementation improved lipid profile and oxidative status in healthy older adults: A randomized controlled study.
Chin SF; Ibahim J; Makpol S; Abdul Hamid NA; Abdul Latiff A; Zakaria Z; Mazlan M; Mohd Yusof YA; Abdul Karim A; Wan Ngah WZ · Nutrition & metabolism · 2011
Randomized trial62 participantsflagCardiovascular Support forscienceVitamin E
- Cognitive improvement in mild to moderate Alzheimer's dementia after treatment with the acetylcholine precursor choline alfoscerate: a multicenter, double-blind, randomized, placebo-controlled trial.
De Jesus Moreno Moreno M · Clinical therapeutics · 2003
Randomized trial261 participantsflagCognitive Support forscienceCholine
- Association of dietary choline intake with incidence of dementia, Alzheimer disease, and mild cognitive impairment: a large population-based prospective cohort study.
Niu YY; Yan HY; Zhong JF; Diao ZQ; Li J; Li CP; Chen LH; Huang WQ; Xu M; Xu ZT; Liang XF; Li ZH; Liu D · The American journal of clinical nutrition · 2025
Cohort study125,594 participantsflagCognitive Support forscienceCholine
- Choline intake during pregnancy and child cognition at age 7 years.
Boeke CE; Gillman MW; Hughes MD; Rifas-Shiman SL; Villamor E; Oken E · American journal of epidemiology · 2013
Cohort study895 participantsflagCognitive Support forscienceCholine
- Effects of choline alfoscerate on cognitive function and quality of life in type 2 diabetes: A double-blind, randomized, placebo-controlled trial.
Sohn M; Park YH; Lim S · Diabetes, obesity & metabolism · 2025
Randomized trial36 participantsflagCognitive Support forscienceCholine
- Maternal choline supplementation mitigates alcohol exposure effects on neonatal brain volumes.
Warton FL; Molteno CD; Warton CMR; Wintermark P; Lindinger NM; Dodge NC; Zöllei L; van der Kouwe AJW; Carter RC; Jacobson JL; Jacobson SW; Meintjes EM · Alcoholism, clinical and experimental research · 2022
Randomized trial52 participantsflagCognitive Support forscienceCholine
- Effects of dimethylaminoethanol pyroglutamate (DMAE p-Glu) against memory deficits induced by scopolamine: evidence from preclinical and clinical studies.
Blin O; Audebert C; Pitel S; Kaladjian A; Casse-Perrot C; Zaim M; Micallef J; Tisne-Versailles J; Sokoloff P; Chopin P; Marien M · Psychopharmacology · 2010
Randomized trial24 participantsflagCognitive Support forscienceDeanol
- Efficacy of ginkgo diterpene lactone meglumine on cognitive function in patients with acute ischemic stroke: a predefined exploratory analysis of a multicenter, double-blind, randomized controlled trial.
Tian X; Xu Q; Xia X; Zhang Y; Meng X; Wang A · Journal of neurology · 2024
Randomized trial3,163 participantsflagCognitive Support forscienceGinkgo
- A placebo-controlled, double-blind, randomized trial of an extract of Ginkgo biloba for dementia. North American EGb Study Group.
Le Bars PL; Katz MM; Berman N; Itil TM; Freedman AM; Schatzberg AF · JAMA · 1997
Randomized trial309 participantsflagCognitive Support forscienceGinkgo
- Alleviating neuropsychiatric symptoms in dementia: the effects of Ginkgo biloba extract EGb 761. Findings from a randomized controlled trial.
Bachinskaya N; Hoerr R; Ihl R · Neuropsychiatric disease and treatment · 2011
Randomized trial410 participantsflagCognitive Support forscienceGinkgo
- Efficacy and safety of a once-daily formulation of Ginkgo biloba extract EGb 761 in dementia with neuropsychiatric features: a randomized controlled trial.
Ihl R; Bachinskaya N; Korczyn AD; Vakhapova V; Tribanek M; Hoerr R; Napryeyenko O; GOTADAY Study Group · International journal of geriatric psychiatry · 2013
Randomized trial410 participantsflagCognitive Support forscienceGinkgo
- Cognitive Performance Enhancement Induced by Caffeine, Carbohydrate and Guarana Mouth Rinsing during Submaximal Exercise.
Pomportes L; Brisswalter J; Casini L; Hays A; Davranche K · Nutrients · 2018
Randomized trial24 participantsflagCognitive Support forscienceGuarana
- Improved cognitive performance in human volunteers following administration of guarana (Paullinia cupana) extract: comparison and interaction with Panax ginseng.
Kennedy DO; Haskell CF; Wesnes KA; Scholey AB · Pharmacology, biochemistry, and behavior · 2005
Non-randomized trial28 participantsflagCognitive Support forscienceGuarana
- Placebo-Controlled, Double-Blind, Randomized Study of a Dry Guarana Extract in Patients with Head and Neck Tumors Undergoing Chemoradiotherapy: Effects on Fatigue and Quality of Life.
Martins SPDS; Ferreira CL; Del Giglio A · Journal of dietary supplements · 2019
Randomized trial60 participantsflagEnergy forscienceGuarana
- Effectiveness of guaraná (Paullinia cupana) for postradiation fatigue and depression: results of a pilot double-blind randomized study.
da Costa Miranda V; Trufelli DC; Santos J; Campos MP; Nobuo M; da Costa Miranda M; Schlinder F; Riechelmann R; del Giglio A · Journal of alternative and complementary medicine (New York, N.Y.) · 2009
Randomized trial36 participantsflagEnergy forscienceGuarana
- Efficacy and Tolerability of Topical 0.1% Stabilized Bioactive Retinol for Photoaging: A Vehicle-Controlled Integrated Analysis.
Farris P; Berson D; Bhatia N; Goldberg D; Lain E; Mariwalla K; Zeichner J; Miller D; McGuire T; Kizoulis M · Journal of drugs in dermatology : JDD · 2024
Meta-analysis471 participants6 studies pooledflagSkin Health forscienceVitamin A
- Tensile properties and contours of aging facial skin. A controlled double-blind comparative study of the effects of retinol, melibiose-lactose and their association.
Piérard-Franchimont C; Castelli D; Cromphaut IV; Bertin C; Ries G; Cauwenbergh G; Piérard GE · Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI) · 2016
Randomized trial120 participantsflagSkin Health forscienceVitamin A
- Antiaging action of retinol: from molecular to clinical.
Bellemère G; Stamatas GN; Bruère V; Bertin C; Issachar N; Oddos T · Skin pharmacology and physiology · 2009
Randomized trial48 participantsflagSkin Health forscienceVitamin A
- An Updated Review of Topical Tretinoin in Dermatology: From Acne and Photoaging to Skin Cancer.
Balado-Simó P; Morgado-Carrasco D; Gómez-Armayones S; López-Ferrer A; Barco D; Ferrándiz-Pulido C; Podlipnik S · Journal of clinical medicine · 2025
Narrative reviewflagSkin Health forscienceVitamin A
- Novel Cyclized Hexapeptide-9 Outperforms Retinol Against Skin Aging: A Randomized, Double-Blinded, Active- and Vehicle-Controlled Clinical Trial.
Chang H; Tao K; Yang Y; Wang Y; Ge M; Wang X; Tang S; Yu H · Journal of cosmetic dermatology · 2025
Randomized trialflagSkin Health forscienceVitamin A
- Evaluation of the anti-wrinkle effect of an ascorbic acid-loaded dissolving microneedle patch via a double-blind, placebo-controlled clinical study.
Lee C; Yang H; Kim S; Kim M; Kang H; Kim N; An S; Koh J; Jung H · International journal of cosmetic science · 2017
Randomized trial23 participantsflagSkin Health forscienceVitamin C
- Comparative Study on the Outcome of Periorbital Wrinkles Treated with Laser-Assisted Delivery of Vitamin C or Vitamin C Plus Growth Factors: A Randomized, Double-blind, Clinical Trial.
Machado BHB; Frame J; Zhang J; Najlah M · Aesthetic plastic surgery · 2021
Randomized trial149 participantsflagSkin Health forscienceVitamin C
- Randomized trial of topical ascorbic acid in DMSO versus imiquimod for the treatment of basal cell carcinoma.
Burke B; Bailie JE · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
Randomized trial25 participantsflagSkin Health forscienceVitamin C
- Vitamin C improves healing of foot ulcers: a randomised, double-blind, placebo-controlled trial.
Gunton JE; Girgis CM; Lau T; Vicaretti M; Begg L; Flood V · The British journal of nutrition · 2022
Randomized trial16 participantsflagSkin Health forscienceVitamin C
- Dietary nutrient intakes and skin-aging appearance among middle-aged American women.
Cosgrove MC; Franco OH; Granger SP; Murray PG; Mayes AE · The American journal of clinical nutrition · 2007
Cross-sectional study4,025 participantsflagSkin Health forscienceVitamin C
- Randomized controlled trial using vitamins E and D supplementation in atopic dermatitis.
Javanbakht MH; Keshavarz SA; Djalali M; Siassi F; Eshraghian MR; Firooz A; Seirafi H; Ehsani AH; Chamari M; Mirshafiey A · The Journal of dermatological treatment · 2011
Randomized trial45 participantsflagSkin Health forscienceVitamin E
- Serum vitamin E levels and chronic inflammatory skin diseases: A systematic review and meta-analysis.
Liu X; Yang G; Luo M; Lan Q; Shi X; Deng H; Wang N; Xu X; Zhang C · PloS one · 2022
Meta-analysis20 studies pooledflagSkin Health forscienceVitamin E
- Evidence-Based Nutritional Interventions in Wound Care.
Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
Systematic review2,339 participants36 studies pooledflagSkin Health forscienceVitamin E
- Effects of tocotrienol on aging skin: A systematic review.
Ghazali NI; Mohd Rais RZ; Makpol S; Chin KY; Yap WN; Goon JA · Frontiers in pharmacology · 2022
Systematic reviewflagSkin Health forscienceVitamin E
- Carotenoids and carotenoids plus vitamin E protect against ultraviolet light-induced erythema in humans.
Stahl W; Heinrich U; Jungmann H; Sies H; Tronnier H · The American journal of clinical nutrition · 2000
Randomized trialflagSkin Health forscienceVitamin E