Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Large-dose intravenous ferric carboxymaltose injection for iron deficiency anemia in heavy uterine bleeding: a randomized, controlled trial.
Van Wyck DB; Mangione A; Morrison J; Hadley PE; Jehle JA; Goodnough LT · Transfusion · 2010
Randomized trial477 participantsflagEnergy forscienceIron
- The Effect of Parenteral or Oral Iron Supplementation on Fatigue, Sleep, Quality of Life and Restless Legs Syndrome in Iron-Deficient Blood Donors: A Secondary Analysis of the IronWoMan RCT.
Macher S; Herster C; Holter M; Moritz M; Matzhold EM; Stojakovic T; Pieber TR; Schlenke P; Drexler C; Amrein K · Nutrients · 2021
Randomized trial176 participantsflagEnergy forscienceIron
- Ferric carboxymaltose vs. oral iron in the treatment of pregnant women with iron deficiency anemia: an international, open-label, randomized controlled trial (FER-ASAP).
Breymann C; Milman N; Mezzacasa A; Bernard R; Dudenhausen J; FER-ASAP investigators · Journal of perinatal medicine · 2018
Randomized trial252 participantsflagEnergy forscienceIron
- Effect of iron therapy on fatigue symptoms in non-anaemic iron deficient women of reproductive age- A Randomized Controlled Trial.
Sultana N; Bajwa FA; Sikandar MZ; Haider MM; Majeed T · JPMA. The Journal of the Pakistan Medical Association · 2026
Randomized trial164 participantsflagEnergy forscienceIron
- Intravenous iron isomaltoside treatment of women suffering from severe fatigue after postpartum hemorrhage.
Holm C; Thomsen LL; Langhoff-Roos J · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2019
Randomized trial85 participantsflagEnergy forscienceIron
- 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
- Menkes disease and response to copper histidine: An Indian case series.
Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
Case series4 participantsflagHair Health forscienceCopper
- Trace element levels in alopecia areata.
Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
Case-control study100 participantsflagHair Health forscienceCopper
- UV damage to hair and the effect of antioxidants and metal chelators.
Millington KR; Marsh JM · International journal of cosmetic science · 2021
In vitro / ex vivo studyflagHair Health forscienceCopper
- Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
Marsh JM; Davis MG; Lucas RL; Reilman R; Styczynski PB; Li C; Mamak M; McComb DW; Williams RE; Godfrey S; Navqi KR; Chechik V · International journal of cosmetic science · 2016
In vitro / ex vivo studyflagHair Health forscienceCopper
- 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
- 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
- The immune response in iron-deficient children: Impaired cellular defense mechanisms with altered humoral components.
Macdougall LG; Anderson R; McNab GM; Katz J · The Journal of pediatrics · 1975
Single-arm trial27 participantsflagImmunity forscienceIron
- The role of iron homeostasis in remodeling immune function and regulating inflammatory disease.
Mu Q; Chen L; Gao X; Shen S; Sheng W; Min J; Wang F · Science bulletin · 2023
Narrative reviewflagImmunity forscienceIron
- Hepcidin--a peptide hormone at the interface of innate immunity and iron metabolism.
Ganz T · Current topics in microbiology and immunology · 2006
Narrative reviewflagImmunity forscienceIron
- Adaptive immunity and vaccination - iron in the spotlight.
Preston AE; Drakesmith H; Frost JN · Immunotherapy advances · 2025
Narrative reviewflagImmunity forscienceIron
- Buried Treasure: Evolutionary Perspectives on Microbial Iron Piracy.
Barber MF; Elde NC · Trends in genetics : TIG · 2016
Narrative reviewflagImmunity forscienceIron
- 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
- Effects of daily iron supplementation in primary-school-aged children: systematic review and meta-analysis of randomized controlled trials.
Low M; Farrell A; Biggs BA; Pasricha SR · CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne · 2014
Meta-analysis7,089 participants32 studies pooledflagProductivity Boost forscienceIron
- Consumption of Iron-Biofortified Beans Positively Affects Cognitive Performance in 18- to 27-Year-Old Rwandan Female College Students in an 18-Week Randomized Controlled Efficacy Trial.
Murray-Kolb LE; Wenger MJ; Scott SP; Rhoten SE; Lung'aho MG; Haas JD · The Journal of nutrition · 2017
Randomized trial150 participantsflagProductivity Boost forscienceIron
- Functional consequences of iron supplementation in iron-deficient female cotton mill workers in Beijing, China.
Li R; Chen X; Yan H; Deurenberg P; Garby L; Hautvast JG · The American journal of clinical nutrition · 1994
Randomized trial80 participantsflagProductivity Boost forscienceIron
- The Effect of Iron-Fortified Lentils on Blood and Cognitive Status among Adolescent Girls in Bangladesh.
Barnett AL; Wenger MJ; Yunus FM; Jalal C; DellaValle DM · Nutrients · 2023
Randomized trial359 participantsflagProductivity Boost forscienceIron
- Daily iron supplementation for improving anaemia, iron status and health in menstruating women.
Low MS; Speedy J; Styles CE; De-Regil LM; Pasricha SR · The Cochrane database of systematic reviews · 2016
Meta-analysis8,506 participants67 studies pooledflagProductivity Boost forscienceIron
- Zinc supplementation improved cognitive performance and taste acuity in Indian adolescent girls.
Tupe RP; Chiplonkar SA · Journal of the American College of Nutrition · 2010
Randomized trial180 participantsflagProductivity Boost forscienceZinc
- Effects of Physical Activity and Micronutrients on Cognitive Performance in Children Aged 6 to 11 Years: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Meli AM; Ali A; Mhd Jalil AM; Mohd Yusof H; Tan MMC · Medicina (Kaunas, Lithuania) · 2022
Meta-analysisflagProductivity Boost forscienceZinc
- Linkages of biomarkers of zinc with cognitive performance and taste acuity in adolescent girls.
Chiplonkar SA; Kawade R · International journal of food sciences and nutrition · 2015
Cross-sectional study403 participantsflagProductivity Boost forscienceZinc
- Associations Between Serum Selenium, Zinc, and Copper Levels and Cognitive Function in the Elderly.
Charernwat P; Chansirikarnjana S; Panpunuan P; Sritara P; Sirivarasai J · Nutrients · 2025
Cross-sectional study854 participantsflagProductivity Boost forscienceZinc
- Comparative analysis of methyl-donor nutrient intakes and RCPM cognitive performance among school-aged children.
Apprey C; Asamoah-Boakye O; Annaful VT; Annan RA · Clinical nutrition ESPEN · 2022
Cross-sectional study2,073 participantsflagProductivity Boost forscienceZinc