Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- 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
- Vitamin D supplementation for prevention of mortality in adults.
Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
Meta-analysis95,286 participants159 studies pooledflagGeneral Health forscienceVitamin D
- Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
Randomized trial90 participantsflagGeneral Health forscienceVitamin D
- The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
Meta-analysis2,495 participants19 studies pooledflagGeneral Health forscienceVitamin D
- Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
Systematic review84 studies pooledflagGeneral Health forscienceVitamin D
- Meta-analysis of long-term vitamin D supplementation on overall mortality.
Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
Meta-analysis42 studies pooledflagGeneral Health forscienceVitamin D
- 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
- The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
Patel MN; Maheshvari J; Patel N · Cureus · 2025
Randomized trial105 participantsflagHair Health forscienceBiotin
- Low serum biotinidase activity in children with valproic acid monotherapy.
Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
Clinical trial125 participantsflagHair Health forscienceBiotin
- Vitamins A, B, C, and D: A Short Review for the Dermatologist.
Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
Narrative reviewflagHair Health forscienceBiotin
- The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
Narrative reviewflagHair Health forscienceBiotin
- [Evaluation of the role of dietary intake in the occurrence of alopecia].
El Fékih N; Kamoun H; Fazaa B; El Ati J; Zouari B; Kamoun MR; Gaigi S · Revue medicale de Liege · 2010
Case-control study272 participantsflagHair Health forscienceIodine
- The Association Between Alopecia Areata and Iron Deficiency Anemia: A Large-Scale Population-Based Case-Control Study.
Davidovici B; Drutin Y; Ben-Tov A; Mimouni D; Wohl Y · Journal of personalized medicine · 2026
Case-control study100,203 participantsflagHair Health forscienceIron
- Iron Deficiency and Nonscarring Alopecia in Women: Systematic Review and Meta-Analysis.
Treister-Goltzman Y; Yarza S; Peleg R · Skin appendage disorders · 2022
Meta-analysis10,029 participants36 studies pooledflagHair Health forscienceIron
- Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.
Chinisaz F; Maleki T; Najjari K; Miratashi Yazdi SA · Obesity surgery · 2026
Cohort study261 participantsflagHair Health forscienceIron
- Assessment of Serum Ferritin Levels in Female Patients With Telogen Effluvium.
Thamotharan N; Harikumar MV; Sundaram M; Swaminathan A; Rangarajan S · Cureus · 2026
Cross-sectional study100 participantsflagHair Health forscienceIron
- Diagnosis and treatment of female alopecia: Focusing on the iron deficiency-related alopecia.
Lin CS; Chan LY; Wang JH; Chang CH · Tzu chi medical journal · 2023
Cohort study155 participantsflagHair Health forscienceIron
- The Safety and Efficacy of a Proprietary Bioactive Fatty Acids Extract From Saw Palmetto (Serenoa repens) for Promoting Hair Growth and Reducing Hair Loss in Adults With Self-Perceived Thinning Hair: 90-Day Results.
Ablon G · Journal of cosmetic dermatology · 2025
Randomized trial60 participantsflagHair Health forscienceSaw Palmetto
- Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
Zhou L; Zhu W; Chen Y · Frontiers in nutrition · 2026
Meta-analysis1,658 participants19 studies pooledflagHair Health forscienceSaw Palmetto
- The Safety and Efficacy of a Novel Saw Palmetto (Serenoa repens) Extract for Promoting Hair Growth in Adults With Self-Perceived Thinning Hair: 180-Day Results.
Ablon G · Journal of cosmetic dermatology · 2026
Randomized trial60 participantsflagHair Health forscienceSaw Palmetto
- Beyond Minoxidil: Off-Label Therapies for Male Androgenetic Alopecia-A Systematic Review with Network Meta-Analyses.
Gupta AK; Compton SAH; Liddy A; Talukder M; Wang T; Bamimore MA · Medicina (Kaunas, Lithuania) · 2026
Meta-analysis50 participants23 studies pooledflagHair Health forscienceSaw Palmetto
- Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study.
Rossi A; Mari E; Scarno M; Garelli V; Maxia C; Scali E; Iorio A; Carlesimo M · International journal of immunopathology and pharmacology · 2013
Non-randomized trial100 participantsflagHair Health forscienceSaw Palmetto
- Beyond Efficacy: 0.6% Selenium Disulfide Shampoo Matches 2% Ketoconazole for Seborrheic Dermatitis with Superior Cosmesis.
Farris PK; Barbosa V; Houshman EB; Kovylkina N · Journal of drugs in dermatology : JDD · 2026
Randomized trial87 participantsflagHair Health forscienceSelenium
- Selenium Disulfide-based shampoo applied for 4 weeks significantly improves dandruff and seborrheic dermatitis.
Turcu G; Artenie C; Nowicka D; Arenbergerová M; Lazaridou E; Khobzei K; Ataseven A; Part M; Leclerc-Mercier S · European journal of dermatology : EJD · 2023
Observational study1,407 participantsflagHair Health forscienceSelenium
- A Comparative Randomized Clinical Study Assessing the Efficacy of a 1% Selenium Disulfide-Based Shampoo versus 2% Ketoconazole Shampoo in Subjects with Moderate to Severe Scalp Seborrheic Dermatitis.
Barbosa V; Melo DF; Vañó-Galván S; Lutchmanen-Kolanthan V; Sant'Anna B; Leclerc-Mercier S; Reygagne P · Skin appendage disorders · 2025
Randomized trial64 participantsflagHair Health forscienceSelenium
- Changes of serum trace elements level in patients with alopecia areata: A meta-analysis.
Jin W; Zheng H; Shan B; Wu Y · The Journal of dermatology · 2018
Meta-analysis764 participantsflagHair Health forscienceSelenium
- Scientific opinion on the tolerable upper intake level for selenium.
EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA); Turck D; Bohn T; Castenmiller J; de Henauw S; Hirsch-Ernst KI; Knutsen HK; Maciuk A; Mangelsdorf I; McArdle HJ; Peláez C; Pentieva K; Siani A; Thies F; Tsabouri S; Vinceti M; Aggett P; Crous Bou M; Cubadda F; Ciccolallo L; de Sesmaisons Lecarré A; Fabiani L; Titz A; Naska A · EFSA journal. European Food Safety Authority · 2023
Systematic reviewflagHair Health forscienceSelenium
- Increased prevalence of vitamin D deficiency in patients with alopecia areata: a systematic review and meta-analysis.
Lee S; Kim BJ; Lee CH; Lee WS · Journal of the European Academy of Dermatology and Venereology : JEADV · 2018
Meta-analysis2,039 participants14 studies pooledflagHair Health forscienceVitamin D
- Intralesional vitamin D3 in treatment of alopecia areata: A randomized controlled clinical trial.
Rashad AF; Elgamal E; Fouda I · Journal of cosmetic dermatology · 2022
Randomized trial60 participantsflagHair Health forscienceVitamin D
- Vitamin D and its Analogs in Treatment of Mild to Moderate Alopecia Areata: Systematic Review and Meta-Analysis.
Alsaati AA; Kaliyadan F; Alsaadoun D; Alzakry LM; Alzabadin RA; Hakami TH; Rubaian NFB · Indian dermatology online journal · 2025
Meta-analysisflagHair Health forscienceVitamin D
- Topical calcipotriol vs narrowband ultraviolet B in treatment of alopecia areata: a randomized-controlled trial.
El Taieb MA; Hegazy EM; Ibrahim HM; Osman AB; Abualhamd M · Archives of dermatological research · 2020
Randomized trial60 participantsflagHair Health forscienceVitamin D
- Serum 25 hydroxyvitamin D in non-scarring alopecia: A systematic review and meta-analysis.
Chen Y; Dong X; Wang Y; Li Y; Xiong L; Li L · Journal of cosmetic dermatology · 2024
Meta-analysis10,670 participants23 studies pooledflagHair Health forscienceVitamin D
- The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
Randomized trial200 participantsflagHair Health forscienceZinc
- Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
Randomized trialflagHair Health forscienceZinc
- A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
Randomized trial40 participantsflagHair Health forscienceZinc
- BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
Case-control study216 participantsflagHair Health forscienceZinc
- Analysis of serum zinc and copper concentrations in hair loss.
Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
Case-control study342 participantsflagHair Health forscienceZinc
- Preventive effects of tea and tea catechins against influenza and acute upper respiratory tract infections: a systematic review and meta-analysis
Mai Umeda, Takeichiro Tominaga, Kazuya Kozuma, Hidefumi Kitazawa, Daisuke Furushima, Masanobu Hibi, Hiroshi Yamada · European Journal of Nutrition · 2021
Meta-analysis3,748 participants10 studies pooledflagImmunity forscienceGreen Tea
- Prevention of Acute Upper Respiratory Infections by Consumption of Catechins in Healthcare Workers: A Randomized, Placebo-Controlled Trial
Daisuke Furushima, Takuma Nishimura, Norikata Takuma, Ryo Iketani, Tomohito Mizuno, Yuji Matsui, Tohru Yamaguchi, Yu Nakashima, Shinji Yamamoto, Masanobu Hibi, Hiroshi Yamada · Nutrients · 2019
Randomized trial255 participantsflagImmunity forscienceGreen Tea
- 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
- Vitamin E supplementation enhances cell-mediated immunity in healthy elderly subjects.
Meydani SN; Barklund MP; Liu S; Meydani M; Miller RA; Cannon JG; Morrow FD; Rocklin R; Blumberg JB · The American journal of clinical nutrition · 1990
Randomized trial32 participantsflagImmunity forscienceVitamin E
- Immunomodulatory effects of palm-derived tocotrienol-rich fraction in healthy volunteers following influenza vaccination: A randomised clinical trial.
Chen S; Ahmad B; Palanisamy UD; Hafid SRA; Selvaduray KR; Radhakrishnan AK · Nutrition research (New York, N.Y.) · 2026
Randomized trial150 participantsflagImmunity forscienceVitamin E
- Effects of supplementation with tocotrienol-rich fraction on immune response to tetanus toxoid immunization in normal healthy volunteers.
Mahalingam D; Radhakrishnan AK; Amom Z; Ibrahim N; Nesaretnam K · European journal of clinical nutrition · 2011
Randomized trialflagImmunity forscienceVitamin E
- Vitamin E and beta-carotene supplementation and hospital-treated pneumonia incidence in male smokers.
Hemilä H; Virtamo J; Albanes D; Kaprio J · Chest · 2004
Randomized trial29,133 participantsflagImmunity forscienceVitamin E
- Vitamin E supplementation and in vivo immune response in healthy elderly subjects. A randomized controlled trial.
Meydani SN; Meydani M; Blumberg JB; Leka LS; Siber G; Loszewski R; Thompson C; Pedrosa MC; Diamond RD; Stollar BD · JAMA · 1997
Randomized trial88 participantsflagImmunity forscienceVitamin E
- 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
- Noninferiority of Copper Dressings Than Negative Pressure Wound Therapy in Healing Diabetic Wounds: A Randomized Clinical Trial.
Melamed E; Dabbah J; Israel T; Kan I; Pinzur MS; Roth T; Borkow G · Advances in wound care · 2026
Randomized trialflagSkin Health forscienceCopper
- Improvement of facial skin characteristics using copper oxide containing pillowcases: a double-blind, placebo-controlled, parallel, randomized study.
Borkow G; Gabbay J; Lyakhovitsky A; Huszar M · International journal of cosmetic science · 2010
Randomized trial57 participantsflagSkin Health forscienceCopper
- Radially Electrospun Fibrous Membrane Incorporated with Copper Peroxide Nanodots Capable of Self-Catalyzed Chemodynamic Therapy for Angiogenesis and Healing Acceleration of Diabetic Wounds.
Huang Y; Qi L; Liu Z; Jiang Y; Wang J; Liu L; Li Y; Zhang L; Feng G · ACS applied materials & interfaces · 2023
Animal experimentflagSkin Health forscienceCopper
- Engineering copper nanoparticle/polysaccharide-immobilized cotton gauze for accelerated healing of Staphylococcus aureus-infected dermal wounds.
Sahoo M; Banerjee T; Virkar S; Das S; Biswas S; Mitra D · Journal of materials chemistry. B · 2026
Animal experimentflagSkin Health forscienceCopper
- Stimulation of Healing of Non-Infected Stagnated Diabetic Wounds by Copper Oxide-Impregnated Wound Dressings.
Melamed E; Rovitsky A; Roth T; Assa L; Borkow G · Medicina (Kaunas, Lithuania) · 2021
Single-arm trialflagSkin Health forscienceCopper
- 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 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 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
- Systemic and skin-targeting beneficial effects of lycopene-enriched ice cream: A pilot study.
Chernyshova MP; Pristenskiy DV; Lozbiakova MV; Chalyk NE; Bandaletova TY; Petyaev IM · Journal of dairy science · 2019
Randomized trialflagSkin Health forscienceLycopene
- Topical lycopene emulgel significantly improves biophysical parameters of human skin.
Sohail M; Muhammad Faran Ashraf Baig M; Akhtar N; Chen Y; Xie B; Li B · European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V · 2022
Clinical trialflagSkin Health forscienceLycopene
- Supplementation with tomato-based products increases lycopene, phytofluene, and phytoene levels in human serum and protects against UV-light-induced erythema.
Aust O; Stahl W; Sies H; Tronnier H; Heinrich U · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2005
Randomized trialflagSkin Health forscienceLycopene
- Association of Vitamin A Intake With Cutaneous Squamous Cell Carcinoma Risk in the United States.
Kim J; Park MK; Li WQ; Qureshi AA; Cho E · JAMA dermatology · 2024
Cohort study123,570 participantsflagSkin Health forscienceLycopene
- β-Carotene and other carotenoids in protection from sunlight.
Stahl W; Sies H · The American journal of clinical nutrition · 2013
Narrative reviewflagSkin Health forscienceLycopene
- Comparative clinical trial of bifonazole solution versus selenium sulphide shampoo in the treatment of pityriasis versicolor.
Chu AC · Dermatologica · 1985
Randomized trial38 participantsflagSkin Health forscienceSelenium
- Selenium supplementation and secondary prevention of nonmelanoma skin cancer in a randomized trial.
Duffield-Lillico AJ; Slate EH; Reid ME; Turnbull BW; Wilkins PA; Combs GF; Park HK; Gross EG; Graham GF; Stratton MS; Marshall JR; Clark LC; Nutritional Prevention of Cancer Study Group · Journal of the National Cancer Institute · 2003
Randomized trial1,312 participantsflagSkin Health forscienceSelenium
- 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 forscienceSelenium flagSkin Health forscienceVitamin E flagSkin Health forscienceZinc
- A randomized, double-blind placebo-controlled trial evaluating the effects of vitamin E and selenium on arsenic-induced skin lesions in Bangladesh.
Verret WJ; Chen Y; Ahmed A; Islam T; Parvez F; Kibriya MG; Graziano JH; Ahsan H · Journal of occupational and environmental medicine · 2006
Randomized trial121 participantsflagSkin Health forscienceSelenium
- The Whitening, Moisturizing, Anti-aging Activities, and Skincare Evaluation of Selenium-Enriched Mung Bean Fermentation Broth.
Wei K; Guo C; Zhu J; Wei Y; Wu M; Huang X; Zhang M; Li J; Wang X; Wang Y; Wei X · Frontiers in nutrition · 2022
Clinical trial31 participantsflagSkin Health forscienceSelenium
- 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
- 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
- Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
Meta-analysis2,088 participants20 studies pooledflagSkin Health forscienceZinc
- Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
Cohort study23 participantsflagSkin Health forscienceZinc
- Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
Randomized trial30 participantsflagSkin Health forscienceZinc
- A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
Randomized trial90 participantsflagSkin Health forscienceZinc
- Efficacy of selenium and/or N-acetyl-cysteine for improving semen parameters in infertile men: a double-blind, placebo controlled, randomized study.
Safarinejad MR; Safarinejad S · The Journal of urology · 2009
Randomized trial468 participantsflagTestosterone Support forscienceSelenium
- The association between metal exposure and semen quality in Chinese males: The mediating effect of androgens.
Liu P; Yuan G; Zhou Q; Liu Y; He X; Zhang H; Guo Y; Wen Y; Huang S; Ke Y; Chen J · Environmental pollution (Barking, Essex : 1987) · 2020
Cross-sectional study1,136 participantsflagTestosterone Support forscienceSelenium
- In utero and peripubertal metals exposure in relation to reproductive hormones and sexual maturation and progression among girls in Mexico City.
Ashrap P; Sánchez BN; Téllez-Rojo MM; Basu N; Tamayo-Ortiz M; Peterson KE; Meeker JD; Watkins DJ · Environmental research · 2019
Observational study132 participantsflagTestosterone Support forscienceSelenium
- Relationship between serum levels of testosterone, zinc and selenium in infertile males attending fertility clinic in Nnewi, south east Nigeria.
Oluboyo AO; Adijeh RU; Onyenekwe CC; Oluboyo BO; Mbaeri TC; Odiegwu CN; Chukwuma GO; Onwuasoanya UF · African journal of medicine and medical sciences · 2013
Observational studyflagTestosterone Support forscienceSelenium
- EVALUATION OF MALE SEX HORMONES AND TRACE ELEMENTS IN MALE TYPE 2 DIABETIC PATIENTS ATTENDING NNAMDI AZIKIWE UNIVERSITY TEACHING HOSPITAL DIABETIC CLINICS.
Ubajaka CF; Meludu SC; Dioka CE; Onah CE; Osuji CU; Modebe IA; Ifeadike GC; Okwara JE; Amah UK; Nnebue CC · Nigerian journal of medicine : journal of the National Association of Resident Doctors of Nigeria · 2015
Cross-sectional studyflagTestosterone Support forscienceSelenium
- Efficacy of Tribulus Terrestris for the treatment of premenopausal women with hypoactive sexual desire disorder: a randomized double-blinded, placebo-controlled trial.
Vale FBC; Zanolla Dias de Souza K; Rezende CR; Geber S · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2018
Randomized trial40 participantsflagTestosterone Support forscienceTribulus
- The Effects of 6 Weeks of Tribulus terrestris L. Supplementation on Body Composition, Hormonal Response, Perceived Exertion, and CrossFit® Performance: A Randomized, Single-Blind, Placebo-Controlled Study.
Fernández-Lázaro D; Mielgo-Ayuso J; Del Valle Soto M; Adams DP; González-Bernal JJ; Seco-Calvo J · Nutrients · 2021
Randomized trial30 participantsflagTestosterone Support forscienceTribulus
- Tribulus terrestris versus placebo in the treatment of erectile dysfunction and lower urinary tract symptoms in patients with late-onset hypogonadism: A placebo-controlled study.
GamalEl Din SF; Abdel Salam MA; Mohamed MS; Ahmed AR; Motawaa AT; Saadeldin OA; Elnabarway RR · Urologia · 2019
Randomized trial70 participantsflagTestosterone Support forscienceTribulus
- Efficacy of Tribulus terrestris for the treatment of hypoactive sexual desire disorder in postmenopausal women: a randomized, double-blinded, placebo-controlled trial.
de Souza KZ; Vale FB; Geber S · Menopause (New York, N.Y.) · 2018
Randomized trial45 participantsflagTestosterone Support forscienceTribulus
- Effect of oral administration of Tribulus terrestris extract on semen quality and body fat index of infertile men.
Salgado RM; Marques-Silva MH; Gonçalves E; Mathias AC; Aguiar JG; Wolff P · Andrologia · 2018
Single-arm trial65 participantsflagTestosterone Support forscienceTribulus
- Effect of Two Different Doses of Vitamin D Supplementation on Metabolic Profiles of Insulin-Resistant Patients with Polycystic Ovary Syndrome.
Jamilian M; Foroozanfard F; Rahmani E; Talebi M; Bahmani F; Asemi Z · Nutrients · 2018
Randomized trial90 participantsflagTestosterone Support forscienceVitamin D
- Androgens and hirsutism score of overweight women with polycystic ovary syndrome improved after vitamin D treatment: A randomized placebo controlled clinical trial.
Al-Bayyari N; Al-Domi H; Zayed F; Hailat R; Eaton A · Clinical nutrition (Edinburgh, Scotland) · 2021
Randomized trial60 participantsflagTestosterone Support forscienceVitamin D
- Association between plasma 25-OH vitamin D and testosterone levels in men.
Nimptsch K; Platz EA; Willett WC; Giovannucci E · Clinical endocrinology · 2012
Case-control study1,362 participantsflagTestosterone Support forscienceVitamin D
- Causal Link Between Vitamin D and Total Testosterone in Men: A Mendelian Randomization Analysis.
Chen C; Zhai H; Cheng J; Weng P; Chen Y; Li Q; Wang C; Xia F; Wang N; Lu Y · The Journal of clinical endocrinology and metabolism · 2020
Other4,254 participantsflagTestosterone Support forscienceVitamin D
- Associations of vitamin D status and vitamin D-related polymorphisms with sex hormones in older men.
Rafiq R; van Schoor NM; Sohl E; Zillikens MC; Oosterwerff MM; Schaap L; Lips P; de Jongh RT · The Journal of steroid biochemistry and molecular biology · 2017
Cohort study643 participantsflagTestosterone Support forscienceVitamin D
- Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
Cross-sectional study219 participantsflagTestosterone Support forscienceZinc
- Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
Scoping reviewflagTestosterone Support forscienceZinc
- Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
Narrative reviewflagTestosterone Support forscienceZinc
- Clinical, endocrinological and biochemical effects of zinc deficiency.
Prasad AS · Clinics in endocrinology and metabolism · 1986
Narrative reviewflagTestosterone Support forscienceZinc
- Clinical, endocrinologic, and biochemical effects of zinc deficiency.
Prasad AS · Special topics in endocrinology and metabolism · 1986
Narrative reviewflagTestosterone Support forscienceZinc