Product Image

Complete Multivitamin

Bayer One A Day Men's
4.8
★ ★ ★ ★ ★
(12697 ratings)
Iodine 150 mcg
Calcium 210 mg
Copper 0.9 mg
Manganese 2.3 mg
Selenium 55 mcg
Product Image
Score77
A balanced, inexpensive iron-free multivitamin with broad once-daily coverage. Missing form details and partial major minerals are its main limitations.
How scoring works
Quantity:200 Tablet(s) • (200 servings)
Goals:
General Health
Immunity
Energy

Score 77

A balanced, inexpensive iron-free multivitamin with broad once-daily coverage. Missing form details and partial major minerals are its main limitations.
How scoring works

Also available as

1 option
60 servings Copper 0.9 mg, Iodine 150 mcg +2 more • 60 Tablet(s) • 60 servings $7.98 ($0.13 per serving)
$13.99($0.06 per serving)
Vitacost
$ 20.13
Walmart
$ 13.99
iHerb
$ 20.45
iHerb
$ 20.45
Report prices

Analysis

The tablet supplies a wide range of vitamins plus calcium, magnesium, zinc, selenium, copper, manganese, chromium, iodine, and vitamin D. Iron-free dosing suits many men who do not have an identified deficiency.

Most nutrient forms are not provided, so users cannot distinguish premium from basic compounds. Calcium and magnesium are partial, and the tiny lycopene amount adds little targeted support.

The product is best used as an economical nutritional baseline. People with specific mineral deficiencies or absorption concerns need a more transparent formula.

Who is it for
  • Men seeking basic daily coverage
  • Adults who do not need supplemental iron
  • Users who value one-tablet convenience
Best for
  • General multivitamin support
  • Iron-free daily use
  • Budget-conscious routines

Pros

  • Broad vitamin and mineral coverage
  • No proprietary blends
  • One-tablet serving
  • Iron-free formula
  • Sensible overall dosing

Cons

  • Most chemical forms are undisclosed
  • Calcium and magnesium are partial
  • Lycopene amount is negligible
  • Cannot assess absorption quality

Warnings

  • Vitamin K can interfere with warfarin-type anticoagulants and requires stable clinician-guided intake.
  • Iodine may require review for people with thyroid disease or those taking thyroid medication.
  • Calcium and magnesium can reduce absorption of levothyroxine and tetracycline-class antibiotics when taken together, so doses may need separation.

Nutrient quality

76 High impact

Beta-carotene is identified, but most vitamin and mineral forms are not disclosed. The vitamins broadly support maintenance, while calcium, magnesium, selenium, and lycopene remain modest.

.

Ingredient transparency

71 High impact

Every listed nutrient has a specific amount. The supplied data does not include a complete inactive ingredient list.

.

Customer satisfaction

73 High impact

The aggregate satisfaction measure and review volume support a favorable first impression. Missing firsthand feedback leaves repeat complaints and real-world purpose fit uncertain.

.

Value for money

92 Highest impact

The low product cost strongly supports the convenience of broad nutrient coverage. Each serving provides excellent value despite weak form disclosure.

.
Report analysis

Goals

General Health
General Health
Impact
Highest effect
A Goal FitB- Strength of SupportA- CoverageA Formula Quality
Folate · 400 mcg DFEVitamin B12 · 6.24 mcgVitamin D · 25 mcgMagnesium · 120 mgVitamin K · 30 mcgSelenium · 55 mcgZinc · 11 mgVitamin C · 99 mg

A broad range of vitamins and minerals makes this well aligned with filling everyday nutrient gaps. It covers immune, metabolic, bone, antioxidant, and energy-related functions more comprehensively than the focused products in the set.

Most amounts are suitable for maintenance, including vitamin D, zinc, iodine, and standard B vitamins. Several nutrient forms are not disclosed, and magnesium is only partial support, but the one-tablet formula remains coherent and practical.

Study evidence
Magnesium Supportive 114 studies
Vitamin D Supportive 115 studies
Zinc Supportive 60 studies
Immunity
Immunity
Impact
High effect
A- Goal FitC Strength of SupportA- CoverageA Formula Quality
Magnesium · 120 mgVitamin C · 99 mgZinc · 11 mgVitamin A · 900 mcgVitamin D · 25 mcgSelenium · 55 mcg

Vitamin A, vitamin C, vitamin D, vitamin E, zinc, and selenium cover several important immune pathways. The multivitamin supports baseline readiness well, although it is not designed for short-term symptom support.

Vitamin D is substantial, while vitamin C, zinc, and selenium sit at ordinary maintenance levels. Missing source forms for several nutrients make absorption quality difficult to judge.

Study evidence
Selenium Mixed 37 studies
Vitamin A Supportive 107 studies
Vitamin C Supportive 53 studies
Vitamin D Supportive 85 studies
Vitamin E Supportive 21 studies
Zinc Supportive 73 studies
Energy
Energy
Impact
High effect
B Goal FitD+ Strength of SupportC CoverageB+ Formula Quality
Iodine · 150 mcgVitamin D · 25 mcgVitamin B5 · 15.5 mgMagnesium · 120 mgRiboflavin · 1.43 mgThiamin · 1.32 mgVitamin B12 · 6.24 mcgIron · mg

Iodine, B vitamins, and magnesium support metabolic energy, but the formula is a general multivitamin. The nutrients have established metabolic roles, especially when correcting dietary gaps.

Iodine is meaningful, while vitamin B12 and magnesium fall below the preferred targeted energy amounts. Amounts are disclosed, but many chemical forms are absent and the tablet offers no specialized delivery.

Study evidence
Iodine Adverse 3 studies
Magnesium Supportive 4 studies
Hair Health
Hair Health
Impact
Moderate effect
C Goal FitD Strength of SupportC+ CoverageB Formula Quality
Biotin · 43 mcgVitamin D · 25 mcgZinc · 11 mgIron · mgVitamin C · 99 mg

Zinc, vitamin D, selenium, iodine, biotin, and copper provide broad nutritional coverage that may support hair when intake is inadequate. The formula contains no iron and gives little information about mineral forms.

Balanced zinc and copper are a practical strength for routine use. The maintenance-oriented multivitamin lacks structural proteins or targeted support for androgen-related thinning.

Study evidence
Biotin Supportive 4 studies
Copper Adverse 4 studies
Iodine No effect 1 study
Iron Disputed 25 studies
Selenium Disputed 7 studies
Vitamin D Disputed 34 studies
Zinc Supportive 22 studies
Metabolism Boost
Metabolism Boost
Impact
Moderate effect
C- Goal FitD+ Strength of SupportC- CoverageC- Formula Quality
Biotin · 43 mcgNiacin · 17.6 mgVitamin B12 · 6.24 mcgRiboflavin · 1.43 mgThiamin · 1.32 mgVitamin B5 · 15.5 mgVitamin B6 · 2.17 mgVitamin D · 25 mcgZinc · 11 mgMagnesium · 120 mg

Broad micronutrient coverage supports normal energy and thyroid-related metabolism. Maintenance-level amounts and missing forms provide little direct metabolic stimulation.

It is most useful for covering dietary gaps rather than increasing calorie expenditure. The product should not be treated as a thermogenic formula.

Study evidence
Chromium Supportive 47 studies
Iodine Mixed 17 studies
Magnesium Supportive 61 studies
Selenium Mixed 28 studies

Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene)
 900 mcg
Vitamin C
99 mg
Vitamin D
25 mcg
Vitamin E
15 mg
Vitamin K
30 mcg
Thiamine (Vitamin B1)
 1.32 mg
Riboflavin (Vitamin B2)
 1.43 mg
Niacin
17.6 mg
Vitamin B6
2.17 mg
Folate
400 mcg DFE
Vitamin B12
6.24 mcg
Biotin
43 mcg
Pantothenic Acid
15.5 mg
Calcium
210 mg
Iron
0 mg
Iodine
150 mcg
Magnesium
120 mg
Zinc
11 mg
Selenium
55 mcg
Copper
0.9 mg
Manganese
2.3 mg
Chromium
35 mcg
Lycopene
300 mcg
Men 18–50
Report overview
Iodine · 150 mcg OverallScore75
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The unspecified iodine description leaves absorption and sourcing uncertain. The 150 mcg amount fits daily maintenance and stays below the upper limit. Low serving cost creates favorable value.

View ingredientView products
Calcium · 210 mg OverallScore65
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value

The undisclosed calcium form prevents a meaningful absorption assessment. The serving amount supports general supplementation rather than high calcium needs on its own; no listed purity concern materially weakens the formulation. The low serving cost provides strong value.

View ingredientView products
Manganese · 2.3 mg OverallScore54
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

The multivitamin supplies a maintenance-level manganese amount with clear weight disclosure. Its chemical form is missing, which prevents an informed judgment about absorption quality. The low serving cost is attractive, while vitamin K requires consistent use and professional guidance for people taking warfarin or similar anticoagulants.

View ingredientView products
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80 Performance

Cal-Mag Caps

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75 Performance

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82 Value

Calcium Citrate Caps

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Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
    Devanarayan P; Hartman M; Partin M · Family medicine and community health · 2026
    Cohort study10,882 participantsEnergy forIodine
  2. Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
    Hughes DT; Reyes-Gastelum D; Kovatch KJ; Hamilton AS; Ward KC; Haymart MR · Surgery · 2020
    Cohort study2,584 participantsEnergy forIodine
  3. Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
    Gültekin A; Kahraman MY; Şengöz T; Şimşek FS · Head & neck · 2026
    Cross-sectional study202 participantsEnergy forIodine
  4. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  5. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  6. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  7. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  8. 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 pooledGeneral Health forMagnesium
  9. 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 participantsGeneral Health forMagnesium
  10. 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 participantsGeneral Health forMagnesium
  11. 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 participantsGeneral Health forMagnesium
  12. 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 participantsGeneral Health forMagnesium
  13. 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 pooledGeneral Health forVitamin D
  14. 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 participantsGeneral Health forVitamin D
  15. 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 pooledGeneral Health forVitamin D
  16. 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 pooledGeneral Health forVitamin D
  17. 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 pooledGeneral Health forVitamin D
  18. 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 participantsGeneral Health forZinc
  19. 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 participantsGeneral Health forZinc
  20. 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 participantsGeneral Health forZinc
  21. 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 participantsGeneral Health forZinc
  22. 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 participantsGeneral Health forZinc
  23. 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 participantsHair Health forBiotin
  24. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health forBiotin
  25. 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 reviewHair Health forBiotin
  26. 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 reviewHair Health forBiotin
  27. 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 participantsHair Health forCopper
  28. 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 participantsHair Health forCopper
  29. 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 studyHair Health forCopper
  30. 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 studyHair Health forCopper
  31. [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 participantsHair Health forIodine
  32. 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 participantsHair Health forIron
  33. 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 pooledHair Health forIron
  34. 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 participantsHair Health forIron
  35. 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 participantsHair Health forIron
  36. 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 participantsHair Health forIron
  37. 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 participantsHair Health forSelenium
  38. 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 participantsHair Health forSelenium
  39. 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 participantsHair Health forSelenium
  40. 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 participantsHair Health forSelenium
  41. 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 reviewHair Health forSelenium
  42. 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 pooledHair Health forVitamin D
  43. 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 participantsHair Health forVitamin D
  44. 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-analysisHair Health forVitamin D
  45. 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 participantsHair Health forVitamin D
  46. 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 pooledHair Health forVitamin D
  47. 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 participantsHair Health forZinc
  48. 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 trialHair Health forZinc
  49. 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 participantsHair Health forZinc
  50. 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 participantsHair Health forZinc
  51. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  52. 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 participantsImmunity forSelenium
  53. 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 participantsImmunity forSelenium
  54. 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 participantsImmunity forSelenium
  55. 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 participantsImmunity forSelenium
  56. 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 participantsImmunity forSelenium
  57. 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 participantsImmunity forVitamin A
  58. 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 participantsImmunity forVitamin A
  59. 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 participantsImmunity forVitamin A
  60. 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
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    Anitua E; Tierno R; Alkhraisat MH · Clinical nutrition (Edinburgh, Scotland) · 2022
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    Herter-Aeberli I; Cherkaoui M; El Ansari N; Rohner R; Stinca S; Chabaa L; von Eckardstein A; Aboussad A; Zimmermann MB · The Journal of nutrition · 2015
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  89. Serum Iodine Concentration as a Biomarker for Individual Iodine Nutrition and Thyroid Function in Pregnant Women: A Cross-Sectional Study in Hubei Province.
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    Zimmermann M; Adou P; Torresani T; Zeder C; Hurrell R · The American journal of clinical nutrition · 2000
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    Basit A; Kumar S; Ahmed H; Babar R; Saeed SS; Siddiqui TA; Khan S; Saeed A; Khan M; Hanif H; Fasih A; Shabbir S; Kumar H; Kumar L; Raja A; Kumar S; Chander S · Journal of diabetes and metabolic disorders · 2026
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  96. Magnesium Supplementation and the Effects on Wound Healing and Metabolic Status in Patients with Diabetic Foot Ulcer: a Randomized, Double-Blind, Placebo-Controlled Trial.
    Razzaghi R; Pidar F; Momen-Heravi M; Bahmani F; Akbari H; Asemi Z · Biological trace element research · 2018
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    Jamilian M; Razavi M; Fakhrie Kashan Z; Ghandi Y; Bagherian T; Asemi Z · Clinical endocrinology · 2016
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  99. The Effects of Selenium Supplementation on Gene Expression Related to Insulin and Lipid Metabolism, and Pregnancy Outcomes in Patients with Gestational Diabetes Mellitus: a Randomized, Double-Blind, Placebo-Controlled Trial.
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    Randomized trial36 participantsMetabolism Boost forSelenium
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    Niu X; Zhang Y; Liu Y; Zhu Y; Fang B; Hu C; Xu X; Wang R; Sang Y; Zhang Q; Guo J · Frontiers in nutrition · 2026
    Randomized trial58 participantsMetabolism Boost forSelenium