Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Association of vitamin K with cardiovascular events and all-cause mortality: a systematic review and meta-analysis.
Chen HG; Sheng LT; Zhang YB; Cao AL; Lai YW; Kunutsor SK; Jiang L; Pan A · European journal of nutrition · 2020
Meta-analysis222,592 participants21 studies pooledflagGeneral Health forscienceVitamin K
- Vitamin K status, cardiovascular disease, and all-cause mortality: a participant-level meta-analysis of 3 US cohorts.
Shea MK; Barger K; Booth SL; Matuszek G; Cushman M; Benjamin EJ; Kritchevsky SB; Weiner DE · The American journal of clinical nutrition · 2020
Meta-analysis3,891 participants3 studies pooledflagGeneral Health forscienceVitamin K
- Vitamin K intake and all-cause and cause specific mortality.
Zwakenberg SR; den Braver NR; Engelen AIP; Feskens EJM; Vermeer C; Boer JMA; Verschuren WMM; van der Schouw YT; Beulens JWJ · Clinical nutrition (Edinburgh, Scotland) · 2018
Cohort study33,289 participantsflagGeneral Health forscienceVitamin K
- Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
Meta-analysis1,257 participants20 studies pooledflagGeneral Health forscienceMagnesium
- Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
Woods KL; Fletcher S · Lancet (London, England) · 1994
Randomized trial2,316 participantsflagGeneral Health forscienceMagnesium
- Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
Cohort study10,999 participantsflagGeneral Health forscienceMagnesium
- Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
Cohort study9,359 participantsflagGeneral Health forscienceMagnesium
- The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
Randomized trial64 participantsflagGeneral Health forscienceMagnesium
- Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
Cui Z; Xie R; Lu X; Schomburg L; Brenner H; Schöttker B · Redox biology · 2025
Meta-analysis95 participants20 studies pooledflagGeneral Health forscienceSelenium
- Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies.
Jayedi A; Rashidy-Pour A; Parohan M; Zargar MS; Shab-Bidar S · Advances in nutrition (Bethesda, Md.) · 2019
Meta-analysis507,251 participants41 studies pooledflagGeneral Health forscienceSelenium
- The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
Meta-analysis4 studies pooledflagGeneral Health forscienceSelenium
- Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
Shi L; Yuan Y; Xiao Y; Long P; Li W; Yu Y; Liu Y; Liu K; Wang H; Zhou L; Yang H; Li X; He M; Wu T · Environment international · 2021
Cohort study6,155 participantsflagGeneral Health forscienceSelenium
- Updates on clinical studies of selenium supplementation in radiotherapy.
Puspitasari IM; Abdulah R; Yamazaki C; Kameo S; Nakano T; Koyama H · Radiation oncology (London, England) · 2015
Systematic review16 studies pooledflagGeneral Health forscienceSelenium
- Dietary vitamin K intake associates with reduced all-cause mortality in non-alcoholic fatty liver disease patients.
Huang Y; Zhu X; Han L; Hu H · Scientific reports · 2025
Cohort study7,857 participantsflagGeneral Health forscienceVitamin K
- The Effect of Topical Vitamin K1 on the Treatment of Cetuximab-Induced Skin Rashes in Metastatic Colorectal Cancer Patients.
Roayaei M; Rezaei M; Najafizade N · Advanced biomedical research · 2024
Randomized trial49 participantsflagGeneral Health forscienceVitamin K
- Effect of vitamin K on improving post‑kidney transplant outcomes: a meta‑analysis.
Sun Z; Zhu K; Liang G; Yan F; Chao S; Jia L; Niu Y · Experimental and therapeutic medicine · 2023
Meta-analysis7 studies pooledflagGeneral Health forscienceVitamin K
- Vitamin K1 intake is associated with lower risk for all-cause and cardiovascular disease mortality in community-dwelling older Australian women.
Dupuy M; Radavelli-Bagatini S; Zhong L; Dalla Via J; Zhu K; Blekkenhorst LC; Bondonno NP; Linneberg A; Bellinge JW; Schultz C; Courtney W; Prince RL; Hodgson JM; Lewis JR; Sim M · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2024
Cohort study1,436 participantsflagGeneral Health forscienceVitamin K
- Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
Randomized trial144 participantsflagGeneral Health forscienceZinc
- Zinc supplementation in young children with acute diarrhea in India.
Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
Randomized trial937 participantsflagGeneral Health forscienceZinc
- Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
Randomized trial4,753 participantsflagGeneral Health forscienceZinc
- Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
Randomized trial84 participantsflagGeneral Health forscienceZinc
- Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
Randomized trial142 participantsflagGeneral Health forscienceZinc
- Effects of selenium supplementation on selenoprotein gene expression and response to influenza vaccine challenge: a randomised controlled trial.
Goldson AJ; Fairweather-Tait SJ; Armah CN; Bao Y; Broadley MR; Dainty JR; Furniss C; Hart DJ; Teucher B; Hurst R · PloS one · 2011
Randomized trial119 participantsflagImmunity forscienceSelenium
- Effect of selenium on immune response against hepatitis B vaccine with accelerated method in insulin-dependent diabetes mellitus patients.
Janbakhsh A; Mansouri F; Vaziri S; Sayad B; Afsharian M; Rahimi M; Shahebrahimi K; Salari F · Caspian journal of internal medicine · 2013
Randomized trial62 participantsflagImmunity forscienceSelenium
- Chemoprevention trial of human hepatitis with selenium supplementation in China.
Yu SY; Li WG; Zhu YJ; Yu WP; Hou C · Biological trace element research · 1990
Non-randomized trial20,847 participantsflagImmunity forscienceSelenium
- Selenium nanoparticles as adjunctive therapy in sepsis: A pilot randomized clinical trial.
Gu WJ; Huang W; Zhao FZ; Yuan XK; Jin K; Chen JL; Zhang CY; Huang Y; He L; Zhuang H; Yin HY; Chen T · Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy · 2026
Randomized trial70 participantsflagImmunity forscienceSelenium
- Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations.
Gärtner R; Gasnier BC; Dietrich JW; Krebs B; Angstwurm MW · The Journal of clinical endocrinology and metabolism · 2002
Randomized trial70 participantsflagImmunity forscienceSelenium
- Depressed immune response to tetanus in children with vitamin A deficiency.
Semba RD; Muhilal; Scott AL; Natadisastra G; Wirasasmita S; Mele L; Ridwan E; West KP; Sommer A · The Journal of nutrition · 1992
Randomized trial236 participantsflagImmunity forscienceVitamin A
- Impact of a single megadose of vitamin A at delivery on breastmilk of mothers and morbidity of their infants.
Roy SK; Islam A; Molla A; Akramuzzaman SM; Jahan F; Fuchs G · European journal of clinical nutrition · 1997
Randomized trial50 participantsflagImmunity forscienceVitamin A
- Vitamin A supplementation reduces measles morbidity in young African children: a randomized, placebo-controlled, double-blind trial.
Coutsoudis A; Broughton M; Coovadia HM · The American journal of clinical nutrition · 1991
Randomized trial60 participantsflagImmunity forscienceVitamin A
- Vitamin A supplementation enhances specific IgG antibody levels and total lymphocyte numbers while improving morbidity in measles.
Coutsoudis A; Kiepiela P; Coovadia HM; Broughton M · The Pediatric infectious disease journal · 1992
Randomized trial60 participantsflagImmunity forscienceVitamin A
- Vitamin A supplementation reduces the monocyte chemoattractant protein-1 intestinal immune response of Mexican children.
Long KZ; Santos JI; Estrada Garcia T; Haas M; Firestone M; Bhagwat J; Dupont HL; Hertzmark E; Rosado JL; Nanthakumar NN · The Journal of nutrition · 2006
Randomized trial127 participantsflagImmunity forscienceVitamin A
- Vitamin C and contribution to the normal function of the immune system: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
Guideline / consensusflagImmunity forscienceVitamin C
- Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
Sun L; Zhao JH; Fan WY; Feng B; Liu WW; Chen RQ; Ban C; Dang AG; Wang M; Luo KT; Zhou GY; Yu FF; Ba Y · Nutrition reviews · 2024
Meta-analysis2,334 participants14 studies pooledflagImmunity forscienceVitamin C
- Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
Abioye AI; Bromage S; Fawzi W · BMJ global health · 2021
Meta-analysisflagImmunity forscienceVitamin C
- New evidence for antioxidant properties of vitamin C.
Vojdani A; Bazargan M; Vojdani E; Wright J · Cancer detection and prevention · 2001
Randomized trial20 participantsflagImmunity forscienceVitamin C
- Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
Calder PC; Kreider RB; McKay DL · Nutrients · 2025
Systematic review13 studies pooledflagImmunity forscienceVitamin C
- Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis.
Martineau AR; Jolliffe DA; Greenberg L; Aloia JF; Bergman P; Dubnov-Raz G; Esposito S; Ganmaa D; Ginde AA; Goodall EC; Grant CC; Janssens W; Jensen ME; Kerley CP; Laaksi I; Manaseki-Holland S; Mauger D; Murdoch DR; Neale R; Rees JR; Simpson S; Stelmach I; Trilok Kumar G; Urashima M; Camargo CA; Griffiths CJ; Hooper RL · Health technology assessment (Winchester, England) · 2020
Meta-analysis11,321 participants25 studies pooledflagImmunity forscienceVitamin D
- Association Between Vitamin D and Influenza: Meta-Analysis and Systematic Review of Randomized Controlled Trials.
Zhu Z; Zhu X; Gu L; Zhan Y; Chen L; Li X · Frontiers in nutrition · 2022
Meta-analysis4,859 participants10 studies pooledflagImmunity forscienceVitamin D
- Vitamin D3 and deconvoluting a rash.
Ernst MK; Evans ST; Techner JM; Rothbaum RM; Christensen LF; Onay UV; Biyashev D; Demczuk MM; Nguyen CV; Honda KS; McCormick TS; Tsoi LC; Gudjonsson JE; Cooper KD; Lu KQ · JCI insight · 2023
Randomized trial28 participantsflagImmunity forscienceVitamin D
- Effect of vitamin D3 supplementation on cellular immunity and inflammatory markers in COVID-19 patients admitted to the ICU.
Bychinin MV; Klypa TV; Mandel IA; Yusubalieva GM; Baklaushev VP; Kolyshkina NA; Troitsky AV · Scientific reports · 2022
Randomized trial110 participantsflagImmunity forscienceVitamin D
- Current opinion on the role of vitamin D supplementation in respiratory infections and asthma/COPD exacerbations: A need to establish publication guidelines for overcoming the unpublished data.
Anitua E; Tierno R; Alkhraisat MH · Clinical nutrition (Edinburgh, Scotland) · 2022
Meta-analysis50,554 participants65 studies pooledflagImmunity forscienceVitamin D
- Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
Meta-analysis199,055 participants115 studies pooledflagImmunity forscienceZinc
- Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
Randomized trial609 participantsflagImmunity forscienceZinc
- A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
Randomized trial64 participantsflagImmunity forscienceZinc
- The effect of zinc and vitamin A supplementation on immune response in an older population.
Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
Randomized trial136 participantsflagImmunity forscienceZinc
- The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
Systematic review13 studies pooledflagImmunity forscienceZinc