Product Image

Mega-One No Iron

Source Naturals
4.7
★ ★ ★ ★ ★
(224 ratings)
Iodine 150 mcg
Manganese 6 mg
PABA 85 mg
Copper 1 mg
Niacin 85 mg
Vitamin B6 85 mg
Molybdenum 100 mcg
Product Image
Score67
A convenient iron-free one-tablet multi with broad trace nutrients. Excessive B6 and weak major-mineral coverage reduce its value as a balanced daily foundation.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Energy
Detoxification
Hair Health
Metabolism Boost

Score 67

A convenient iron-free one-tablet multi with broad trace nutrients. Excessive B6 and weak major-mineral coverage reduce its value as a balanced daily foundation.
How scoring works

Also available as

1 option
85.00mg Choline • 180 servings 85.00mg Choline • 180 Tablet(s) • 180 servings $44.63 ($0.24 per serving)
$15.10($0.25 per serving)
iHerb
$ 15.10
Report prices

Analysis

The iron-free tablet covers common vitamins and trace minerals, using D3, calcium ascorbate, selenomethionine, chromium, and boron. Rutin, bioflavonoids, hesperidin, PABA, and inositol add small supporting amounts.

Vitamin B6, thiamine, riboflavin, niacinamide, and pantothenic acid are far above routine needs. Calcium, magnesium, potassium, and choline are too low for meaningful coverage, while folic acid and cyanocobalamin are basic forms.

It may suit adults who want an inexpensive one-tablet, iron-free multi and can monitor cumulative B6. It is less appropriate for long-term use, bone support, or anyone expecting a complete mineral foundation.

Who is it for
  • Adults seeking a low-cost iron-free multivitamin
  • People who strongly prefer one tablet daily
Best for
  • Convenient basic vitamin coverage
  • Iron-free trace-mineral supplementation

Pros

  • One-tablet serving
  • Iron-free formula
  • Uses vitamin D3 and selenomethionine
  • Broad trace-mineral coverage

Cons

  • Vitamin B6 is very high
  • Major minerals are token amounts
  • Uses folic acid and cyanocobalamin
  • Preformed vitamin A is included
  • Several B vitamins are unnecessarily aggressive

Warnings

  • Vitamin B6 at 85 mg may cause tingling, numbness, or other nerve symptoms with prolonged use.
  • Preformed vitamin A warrants care during pregnancy and when combined with other retinol products.
  • High niacinamide may cause nausea or affect liver and glucose management in susceptible users.
  • Manganese at 6 mg can become excessive when stacked with other manganese-containing products.

Nutrient quality

62 Moderate impact

Vitamin D3, buffered vitamin C, natural vitamin E, and several chelated minerals are useful form choices. High B6, niacin, thiamine, vitamin A, and manganese amounts make routine use aggressive.

Ingredient transparency

70 High impact

Amounts are listed, but multiple source entries make some nutrient totals harder to interpret. No proprietary blend hides any listed active dose; daily directions and a complete inactive-ingredient list are not supplied.

Customer satisfaction

63 Moderate impact

The supplied rating is strong, with limited volume behind it. Detailed feedback themes are absent, leaving repeated complaints and purpose fit uncertain.

Value for money

73 High impact

Broad coverage and some good forms provide fair quality at a low cost. The serving is economically priced for a high-potency multivitamin.

Report analysis

Goals

Energy
Energy
Impact
High effect
B+ Goal FitC+ Strength of SupportC+ CoverageB Formula Quality
Iodine · 150 mcgVitamin D · 10 mcgVitamin B5 · 85 mgMagnesium · 20 mgRiboflavin · 85 mgThiamin · 85 mgVitamin B12 · 90 mcgPotassium · 10 mg

High-dose B vitamins make the formula relevant to energy metabolism, especially when dietary intake is inadequate. No stimulant or adaptogen is present, so an immediate energy effect is not well supported.

Cyanocobalamin, folic acid, and magnesium oxide are weaker forms, while vitamin B12 and magnesium remain below the stated targeted amounts. The iron-free design avoids unnecessary iron but does not add a second energy pathway.

Study evidence
Magnesium Supportive 4 studies
Detoxification
Detoxification
Impact
Moderate effect
D+ Goal FitD+ Strength of SupportC CoverageB- Formula Quality
Folate · 714 mcg DFEVitamin B12 · 90 mcgVitamin B6 · 85 mgMolybdenum · 100 mcgSelenium · 50 mcgMagnesium · 20 mgVitamin E · 67 mgZinc · 15 mgVitamin C · 250 mgCholine · 33 mgRiboflavin · 85 mg

Molybdenum, selenium, zinc, choline, vitamin C, and B vitamins support metabolic enzymes and methylation. The iron-free formula remains nutritional rather than liver focused.

No NAC, milk thistle, or standardized liver botanical is present. High B-vitamin amounts add depth, but folic acid and cyanocobalamin reduce cofactor quality.

Study evidence
Choline Supportive 6 studies
Molybdenum Adverse 1 study
Selenium Supportive 10 studies
Vitamin C Supportive 9 studies
Zinc Supportive 30 studies
Hair Health
Scalp Health and Protection
Hair Health
Impact
Moderate effect
D+ Goal FitD Strength of SupportC- CoverageD+ Formula Quality
Vitamin D · 10 mcgZinc · 15 mgVitamin C · 250 mg

Zinc, selenium, iodine, vitamin C, and B vitamins provide general follicle nutrition. The iron-free formula lacks biotin, structural proteins, silicon, and a targeted hormonal active.

Zinc is useful, while magnesium and other hair-related amounts are modest. The 85 mg vitamin B6 amount is unnecessarily high for long-term use and can contribute to nerve injury.

Study evidence
Iodine No effect 1 study
Selenium Disputed 7 studies
Vitamin C Mixed 5 studies
Zinc Supportive 22 studies
Metabolism Boost
Metabolism Boost
Impact
Moderate effect
D Goal FitD Strength of SupportD- CoverageC+ Formula Quality
Niacin · 85 mgVitamin B12 · 90 mcgRiboflavin · 85 mgThiamin · 85 mgVitamin B5 · 85 mgVitamin B6 · 85 mgVitamin D · 10 mcgZinc · 15 mgMagnesium · 20 mg

High-potency B vitamins, iodine, selenium, and chromium support cellular energy and basic thyroid or glucose metabolism. Chromium and selenium are low, while the product lacks a direct thermogenic, carnitine, CoQ10, or insulin-sensitivity active.

The one-tablet format is convenient and several mineral forms are named. The 85 mg B6 amount sits close to a chronic-use safety ceiling, so stacking it with other B6 supplements may raise nerve-injury risk.

Study evidence
Chromium Supportive 47 studies
Iodine Mixed 17 studies
Magnesium Supportive 61 studies
Selenium Mixed 28 studies
Vitamin B6 Supportive 16 studies

Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene, Vitamin A Palmitate)
 3600 mcg
Vitamin C (Calcium Ascorbate, Manganese Ascorbate, Zinc Ascorbate)
 250 mg
Vitamin D3 (Cholecalciferol)
 10 mcg
Vitamin E (D-Alpha-Tocopheryl Succinate)
 67 mg
Thiamine (Vitamin B1)
 85 mg
Riboflavin (Vitamin B2)
 85 mg
Niacinamide
85 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 85 mg
Folate (Folic Acid)
 714 mcg DFE
Vitamin B12 (Cyanocobalamin)
 90 mcg
Panthothenic Acid (Calcium D-Pantothenate)
 85 mg
Choline (Choline Bitartrate)
 33 mg
Calcium (Calcium Ascorbate, Calcium Carbonate, Calcium D-Pantothenate)
 48 mg
Iodine (Potassium Iodide)
 150 mcg
Magnesium (Magnesium Citrate, Magnesium Oxide)
 20 mg
Zinc (Zinc Ascorbate)
 15 mg
Selenium (L-Selenomethionine, Sodium Selenite)
 50 mcg
Copper (Copper Sebacic Acid Complex)
 1 mg
Manganese (Manganese Ascorbic Acid Complex)
 6 mg
Chromium (Chromium Amino Acid Chelate)
 100 mcg
Molybdenum (Molybdenum Amino Acid Complex)
 100 mcg
Potassium (Potassium Citrate)
 10 mg
Para-Aminobenzoic Acid
85 mg
Inositol
85 mg
Citrus Bioflavonoids Complex
25 mg
Rutin
21 mg
Hespiridin
5 mg
Boron (Boron Amino Acid Complex)
 1 mg
Adults 18–50 Women
Report overview
Iodine (Potassium Iodide) · 150 mcg OverallScore95
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

Potassium iodide provides a stable, readily absorbed iodine source at an amount suited to routine support. A broad, calcium-containing tablet is less streamlined than a dedicated iodine product. Per-serving value remains favorable against the collection benchmark.

View ingredientView products
Manganese (Manganese Ascorbic Acid Complex) · 6 mg OverallScore88
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

Manganese ascorbic acid complex is an organic complex with useful absorption potential. The 6 mg elemental serving falls within the effective range without exceeding the upper intake limit. Clear elemental disclosure and competitive cost make the formula easy to assess.

View ingredientView products
PABA · 85 mg OverallScore84
A Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB- Value

Clearly identified PABA delivers a standard high-potency multivitamin dose. Immediate release is appropriate at this amount, while missing excipient details leave additive cleanliness uncertain. The one-tablet serving is convenient, and the normalized PABA cost offers moderate value.

View ingredientView products
Loading alternative details
77 Performance

Prenatal Essentials Chewable

Seeking Health
<p>Active B vitamins, chelated minerals, and a clearly disclosed prenatal nutrient range improve form quality and transparency. Compared with the original, the clearer or more purposeful core improves ingredient quality and usability; however, the iron-free prenatal design is specialized and carries a comparatively high serving cost.</p>
74 Performance

Ladies' One 40+

Bluebonnet
<p>Active B vitamins, methylfolate, methylcobalamin, chelated minerals, and vitamin D3 create a refined one-capsule core. Compared with the original, the clearer or more purposeful core improves ingredient quality and usability; however, the women-over-40 positioning and token beauty, food, and enzyme blends limit general interchangeability.</p>
69 Performance

Mega-One

Source Naturals
<p>Vitamin D3, buffered vitamin C, natural vitamin E, and several useful mineral forms provide broad one-tablet coverage. Compared with the original, the clearer or more purposeful core improves ingredient quality and usability; however, high B6, niacin, thiamin, riboflavin, and manganese reduce its fit for routine use.</p>
66 Budget

Formula VM-75

Solgar
<p>A broad vitamin base and several chelated minerals provide substantial micronutrient coverage. Its lower serving cost improves affordability compared with the original, although very high B-vitamin amounts, especially B6, are a poor fit for automatic long-term use.</p>
73 Budget

B-50 Gels

Carlson
<p>A full B-complex is clearly dosed and keeps the formula simpler than a multi-ingredient cognitive stack. Its lower serving cost improves affordability compared with the original, although conventional forms and high B6 still make daily long-term use unnecessarily aggressive.</p>
66 Budget

B-100 Complex

Nature Made
<p>Broad B-vitamin coverage is clearly disclosed in a simple formula. Its lower serving cost improves affordability compared with the original, although very high B6 and basic forms create a substantial long-term-use concern.</p>
68 Value

Immune One

Bluebonnet
<p>Vitamin C, vitamin D, zinc, methylfolate, methylcobalamin, and MK-7 provide focused immune and general-health support. The ingredient profile and serving economics offer a stronger quality-to-cost balance than the original, although hidden immune and enzyme blends and light supporting-mineral amounts limit full assessment.</p>
65 Value

Iron-Free Formula VM-75

Solgar
<p>Broad vitamins and several chelated minerals provide substantial iron-free coverage at a low serving cost. The ingredient profile and serving economics offer a stronger quality-to-cost balance than the original, although very high B-vitamin amounts and modest vitamin D, magnesium, and calcium limit daily balance.</p>
73 Value

B-50 Gels

Carlson
<p>A full B-complex is clearly dosed and offered at a low serving cost. The ingredient profile and serving economics offer a stronger quality-to-cost balance than the original, although conventional forms and high B6 make the softgel unnecessarily aggressive for sustained use.</p>
Report alternatives

Sources

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

  1. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  2. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  3. Anaemia during pregnancy: could riboflavin deficiency be implicated?
    Duffy B; McNulty H; Ward M; Pentieva K · The Proceedings of the Nutrition Society · 2026
    Narrative reviewMetabolism Boost forRiboflavin
  4. Riboflavin and riboflavin-derived cofactors in adolescent girls with anorexia nervosa.
    Capo-chichi CD; Guéant JL; Lefebvre E; Bennani N; Lorentz E; Vidailhet C; Vidailhet M · The American journal of clinical nutrition · 1999
    Clinical trial34 participantsMetabolism Boost forRiboflavin
  5. Comparison of nutritional supplements in improving glycolipid metabolism and endocrine function in polycystic ovary syndrome: a systematic review and network meta-analysis.
    Hu X; Wang W; Su X; Peng H; Tan Z; Li Y; Huang Y · PeerJ · 2023
    Meta-analysis2,362 participants41 studies pooledMetabolism Boost forChromium Metabolism Boost forSelenium
  6. Chromium supplementation in non-obese non-diabetic subjects is associated with a decline in insulin sensitivity.
    Masharani U; Gjerde C; McCoy S; Maddux BA; Hessler D; Goldfine ID; Youngren JF · BMC endocrine disorders · 2013
    Randomized trial31 participantsMetabolism Boost forChromium
  7. Improved meta-analytic methods show no effect of chromium supplements on fasting glucose.
    Bailey CH · Biological trace element research · 2014
    Meta-analysis809 participants16 studies pooledMetabolism Boost forChromium
  8. The Effects of Supplementation with Chromium on Insulin Resistance Indices in Women with Polycystic Ovarian Syndrome: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.
    Heshmati J; Omani-Samani R; Vesali S; Maroufizadeh S; Rezaeinejad M; Razavi M; Sepidarkish M · Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2018
    Meta-analysis268 participants5 studies pooledMetabolism Boost forChromium
  9. Choline and contribution to normal liver function of the foetus and exclusively breastfed infants: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
    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; Naska A; Pentieva K; Thies F; Tsabouri S; Vinceti M; Bresson JL; Fiolet T; Siani A · EFSA journal. European Food Safety Authority · 2024
    Guideline / consensusDetoxification forCholine
  10. Adiposity May Moderate the Link Between Choline Intake and Non-alcoholic Fatty Liver Disease.
    Mazidi M; Katsiki N; Mikhailidis DP; Banach M · Journal of the American College of Nutrition · 2020
    Cross-sectional study20,643 participantsDetoxification forCholine
  11. Choline and Choline-Related Metabolites in Pediatric Short Bowel Syndrome.
    Hilberath J; Shunova A; Heister L; Poets CF; Bernhard W · Nutrients · 2026
    Observational study80 participantsDetoxification forCholine
  12. Choline Supplementation in Cystic Fibrosis-The Metabolic and Clinical Impact.
    Bernhard W; Lange R; Graepler-Mainka U; Engel C; Machann J; Hund V; Shunova A; Hector A; Riethmüller J · Nutrients · 2019
    Single-arm trial10 participantsDetoxification forCholine
  13. 1H MR Spectroscopy at 3T for Hepatic Choline Quantification in Healthy Young Women: A Translational Imaging Study with Dietary Correlation.
    Hawesa H; Alghamdi R; Allam H; Alfaifi B; Alrabiah N; Alghumaiz M; Shanawani M; Alshegri H; Hassan MG · Current medical imaging · 2026
    Cohort study88 participantsDetoxification forCholine
  14. Human molybdenum exposure risk in industrial regions of China: New critical effect indicators and reference dose.
    Kuang HX; Li MY; Zeng XW; Chen D; Zhou Y; Zheng T; Xiang MD; Wu QZ; Chen XC; Dong GH; Yu YJ · Ecotoxicology and environmental safety · 2024
    Cross-sectional study2,267 participantsDetoxification forMolybdenum
  15. Supplementation with selenium can influence nausea, fatigue, physical, renal, and liver function of children and adolescents with cancer.
    Vieira ML; Fonseca FL; Costa LG; Beltrame RL; Chaves CM; Cartum J; Alves SI; Azzalis LA; Junqueira VB; Pereria EC; Rocha KC · Journal of medicinal food · 2015
    Randomized trialDetoxification forSelenium
  16. [Selenium and oxidative stress in cancer patients].
    Gorozhanskaia ÉG; Sviridova SP; Dobrovol'skaia MM; Zybrikhina GN; Kashnia ShR · Biomeditsinskaia khimiia · 2014
    Single-arm trial40 participantsDetoxification forSelenium
  17. Comprehensive Insights into the Health Effects of Selenium Exposure and Supplementation Among the Chinese Community Middle-Aged and Elderly: a Combined Retrospective Cohort Study and Intervention Study.
    Li C; Peng X; Zheng J; Shi K; Qin L; Yang Q; Wang Z; Liu Y; Huang L · Biological trace element research · 2024
    Other40 participantsDetoxification forSelenium
  18. Heavy metals and metalloids exposure and liver function in Chinese adults - A nationally representative cross-sectional study.
    Wang S; Lyu Y; Ji S; Liu N; Wu B; Zhao F; Li Z; Qu Y; Zhu Y; Xie L; Li Y; Zhang Z; Song H; Hu X; Qiu Y; Zheng X; Zhang W; Yang Y; Li F; Cai J; Zhu Y; Cao Z; Tan F; Shi X · Environmental research · 2024
    Cross-sectional study9,445 participantsDetoxification forSelenium
  19. Selenium-Biofortified Strawberries Improve Glucose Homeostasis and Hepatic Function: A 30-Day Randomized Controlled Trial in Healthy Adults.
    Vasto S; Di Rosa L; Ferrantelli V; Fiore AS; Giordano CP; Cannizzaro A; Sabatino L; Macaluso A; Caldarella R; Caldara GF; Baldassano S · Nutrients · 2026
    Randomized trial35 participantsDetoxification forSelenium
  20. Vitamin C supplementation ameliorates liver function profile and antiviral treatment response in Hepatitis C patients.
    Nayila I; Javed MS; Khan MA; Hussain G; Raza Naqvi SA; Ali S; Jabeen Z; Shahnawaz S; Akram R; Iman T; Hassan Dogar MZ; Malik SA · Pakistan journal of pharmaceutical sciences · 2022
    Non-randomized trial200 participantsDetoxification forVitamin C
  21. Effect of ascorbic acid-rich diet on in vivo-induced oxidative stress.
    Alleva R; Di Donato F; Strafella E; Staffolani S; Nocchi L; Borghi B; Pignotti E; Santarelli L; Tomasetti M · The British journal of nutrition · 2012
    Non-randomized trial46 participantsDetoxification forVitamin C
  22. Dietary Vitamin C Intake Is Associated With Improved Liver Function and Glucose Metabolism in Chinese Adults.
    Luo X; Zhang W; He Z; Yang H; Gao J; Wu P; Ma ZF · Frontiers in nutrition · 2022
    Observational study8,307 participantsDetoxification forVitamin C
  23. Plasma ascorbate deficiency is associated with impaired reduction of sulfamethoxazole-nitroso in HIV infection.
    Trepanier LA; Yoder AR; Bajad S; Beckwith MD; Bellehumeur JL; Graziano FM · Journal of acquired immune deficiency syndromes (1999) · 2005
    Observational studyDetoxification forVitamin C
  24. Roles of endogenous ascorbate and glutathione in the cellular reduction and cytotoxicity of sulfamethoxazole-nitroso.
    Lavergne SN; Kurian JR; Bajad SU; Maki JE; Yoder AR; Guzinski MV; Graziano FM; Trepanier LA · Toxicology · 2006
    Clinical trial53 participantsDetoxification forVitamin C
  25. [Therapy of Wilson disease].
    Smolarek C; Stremmel W · Zeitschrift fur Gastroenterologie · 1999
    Narrative reviewDetoxification forZinc
  26. Efficacy of Zinc Supplement in Minimal hepatic Encephalopathy: A prospective, Randomized Controlled Study (Zinc-MHE Trial).
    Janyajirawong R; Vilaichone RK; Sethasine S · Asian Pacific journal of cancer prevention : APJCP · 2021
    Randomized trial69 participantsDetoxification forZinc
  27. Effect of zinc on liver cirrhosis with hyperammonemia: a preliminary randomized, placebo-controlled double-blind trial.
    Katayama K; Saito M; Kawaguchi T; Endo R; Sawara K; Nishiguchi S; Kato A; Kohgo H; Suzuki K; Sakaida I; Ueno Y; Habu D; Ito T; Moriwaki H; Suzuki K · Nutrition (Burbank, Los Angeles County, Calif.) · 2015
    Randomized trial18 participantsDetoxification forZinc
  28. Effects of low dose zinc supplementation on biochemical markers in non-alcoholic cirrhosis: a randomized clinical trial.
    Somi MH; Rezaeifar P; Ostad Rahimi A; Moshrefi B · Archives of Iranian medicine · 2012
    Randomized trial60 participantsDetoxification forZinc
  29. Correlation of Serum Zinc Levels with Hepatic Encephalopathy Severity in Patients with Decompensated Liver Cirrhosis: A Prospective Observational Study from Egypt.
    Semeya AA; Elgamal R; Othman AAA · Biological trace element research · 2025
    Observational study200 participantsDetoxification forZinc
  30. 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
  31. 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
  32. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  33. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  34. [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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview.
    Karatas F; Sahin S; Sever AR; Altundag K · SpringerPlus · 2016
    Narrative reviewHair Health forVitamin C
  41. Elucidating causal relationships of diet-derived circulating antioxidants and the risk of non-scarring alopecia: A Mendelian randomization study.
    Ba Y; Shen L; Peng X; Zhang Y; Wang J · Medicine · 2024
    Methods validation study201,019 participantsHair Health forVitamin C
  42. Alterations of plasma antioxidants and mitochondrial DNA mutation in hair follicles of smokers.
    Liu CS; Chen HW; Lii CK; Tsai CS; Kuo CL; Wei YH · Environmental and molecular mutagenesis · 2002
    Observational studyHair Health forVitamin C
  43. Removal of synthetic hair dye using formamidine sulfinic acid and other sulfinate precursors.
    Hawkes JA; Lewis DM; Mama J; Murray J · International journal of cosmetic science · 2026
    Methods validation studyHair Health forVitamin C
  44. A Zinc Sulphate-Resistant Acrodermatitis Enteropathica Patient with a Novel Mutation in SLC39A4 Gene.
    Kilic M; Taskesen M; Coskun T; Gürakan F; Tokatli A; Sivri HS; Dursun A; Schmitt S; Küry S · JIMD reports · 2013
    Case reportHair Health forVitamin C
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. Elevated intakes of supplemental chromium improve glucose and insulin variables in individuals with type 2 diabetes.
    Anderson RA; Cheng N; Bryden NA; Polansky MM; Cheng N; Chi J; Feng J · Diabetes · 1997
    Randomized trial180 participantsMetabolism Boost forChromium
  51. Chromium Supplementation and the Effects on Metabolic Status in Women with Polycystic Ovary Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Jamilian M; Asemi Z · Annals of nutrition & metabolism · 2016
    Randomized trial64 participantsMetabolism Boost forChromium
  52. A Comprehensive insight into the effect of chromium supplementation on oxidative stress indices in diabetes mellitus: A systematic review.
    Kooshki F; Tutunchi H; Vajdi M; Karimi A; Niazkar HR; Shoorei H; Pourghassem Gargari B · Clinical and experimental pharmacology & physiology · 2024
    Systematic review33 studies pooledMetabolism Boost forChromium
  53. [Chromium supplementation in patients with type 2 diabetes and high risk of type 2 diabetes: a meta-analysis of randomized controlled trials].
    San Mauro-Martin I; Ruiz-León AM; Camina-Martín MA; Garicano-Vilar E; Collado-Yurrita L; Mateo-Silleras Bd; Redondo Del Río Mde P · Nutricion hospitalaria · 2017
    Meta-analysis13 studies pooledMetabolism Boost forChromium
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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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    Tan X; Huang Y · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2022
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  63. Magnesium Supplementation and the Effects on Wound Healing and Metabolic Status in Patients with Diabetic Foot Ulcer: a Randomized, Double-Blind, Placebo-Controlled Trial.
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    Asemi Z; Jamilian M; Mesdaghinia E; Esmaillzadeh A · Nutrition (Burbank, Los Angeles County, Calif.) · 2016
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    Randomized trial90 participantsMetabolism Boost forVitamin B6
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    Shen L; Wang K; Li R; Li Y; Guo Y; Li F; Yuan J; Yang Z; Xia B; Lin X · European journal of clinical nutrition · 2026
    Cohort study46,800 participantsMetabolism Boost forVitamin B6
  70. Associations of Vitamin B6 Intake and Plasma Pyridoxal 5'-Phosphate with Plasma Polyunsaturated Fatty Acids in US Older Adults: Findings from NHANES 2003-2004.
    Kim H; Enrione EB; Narayanan V; Li T; Campa A · Nutrients · 2022
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