Product Image

Ladies' One

Bluebonnet
4.8
★ ★ ★ ★ ★
(259 ratings)
Iodine 150 mcg
Copper 0.9 mg
Manganese 2.3 mg
Iron 18 mg
Boron 1 mg
Molybdenum 45 mcg
Selenium 55 mcg
Product Image
Score79
Strong vitamin forms and chelated minerals give this women's multi a credible core, especially when iron is needed. Opaque blends and tiny specialty additions weaken an otherwise thoughtful formula.
How scoring works
Quantity:30 Capsule(s) • (30 servings)
Goals:
Bone Health
General Health
Hair Health
Immunity
Energy

Score 79

Strong vitamin forms and chelated minerals give this women's multi a credible core, especially when iron is needed. Opaque blends and tiny specialty additions weaken an otherwise thoughtful formula.
How scoring works

Also available as

1 option
90 servings 1 Capsule(s) • 90 Capsule(s) • 90 servings $35.16 ($0.39 per serving)
$15.60($0.52 per serving)
Daily Vita
$ 15.60
Vitacost
$ 15.60
Pure Formulas
$ 15.60
iHerb
$ 0.00
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Analysis

Active B-vitamin forms, methylcobalamin, vitamin D3, potassium iodide, and chelated iron, zinc, copper, and manganese are meaningful strengths. The 18 mg iron serving makes the formula especially relevant to women who actually need iron support.

Calcium and magnesium are too modest to carry bone-health needs, while the choline, vegetable, and enzyme additions are only 5 mg each. A 100 mg female-health blend is not broken down, so its ingredients and practical contribution cannot be assessed.

The core vitamins and minerals are better designed than the decorative blends around them. It fits women seeking an iron-containing daily multi, but it is less suitable when iron is unnecessary or when full blend transparency matters.

Who is it for
  • Women who need an iron-containing multivitamin
  • Adults who value active B-vitamin forms
  • People seeking a one-capsule daily formula
Best for
  • Daily vitamin and trace-mineral coverage
  • Iron support when appropriate
  • Methylated B-vitamin intake

Pros

  • Uses iron bisglycinate and several chelated minerals
  • Includes methylcobalamin and active folate-related forms
  • Provides vitamin D3 and vitamin K2
  • Broad core nutrient coverage in one capsule

Cons

  • Female-health blend is proprietary
  • Calcium and magnesium amounts are modest
  • Vegetable and enzyme blends are too small to add much
  • Selenium form is not precisely identified

Warnings

  • The 18 mg iron serving is unsuitable for people advised to avoid supplemental iron
  • Vitamin K2 may conflict with vitamin K antagonist medicines such as warfarin
  • Keep iron-containing capsules away from children because accidental iron overdose is dangerous

Nutrient quality

87 Highest impact

The nutrients closely fit the intended general-health or mineral-support role. Most additions have a role, though sugars or small blends add limited value.

Ingredient transparency

67 High impact

Most nutrient names and forms are specific and understandable. Proprietary blends hide a substantial part of the active formula.

Customer satisfaction

87 Highest impact

The aggregate customer rating is strong. The modest review count limits confidence in the aggregate rating.

Value for money

76 High impact

The broader nutrient formula supports reasonable value despite notable trade-offs. Some added ingredients broaden coverage, though sugars or small blends add limited value.

Report analysis

Goals

Bone Health
Bone Health
Impact
Highest effect
A+ Goal FitA- Strength of SupportA CoverageA+ Formula Quality
Vitamin K · 20 mcgMagnesium · 25 mgCalcium · 50 mgVitamin D · 20 mcgCopper · 0.9 mgManganese · 2.3 mgBoron · 1 mgZinc · 11 mgVitamin C · 90 mg

The formula directly targets mineral structure, absorption, and remodeling with multiple bone-specific actives. Hydroxyapatite calcium, vitamin D, vitamin K, magnesium, and boron have strong complementary skeletal rationale.

The formula provides useful amounts across calcium, magnesium, vitamin D, K2, boron, and phosphorus. The formula covers mineral structure, absorption, remodeling, and trace-mineral support.

Study evidence
Boron Supportive 5 studies
Calcium Supportive 144 studies
Magnesium Supportive 48 studies
Vitamin D Supportive 202 studies
Vitamin K Supportive 78 studies
General Health
General Health
Impact
Highest effect
A Goal FitA- Strength of SupportA- CoverageB+ Formula Quality
Folate · 667 mcg DFEVitamin B12 · 2.4 mcgVitamin D · 20 mcgMagnesium · 25 mgVitamin K · 20 mcgBoron · 1 mgSelenium · 55 mcgZinc · 11 mgVitamin C · 90 mg

A broad vitamin and mineral profile supports nutritional coverage, antioxidant defenses, and daily energy metabolism. Several active vitamin forms and chelated minerals strengthen its fit for foundational health.

Most core nutrients are clearly disclosed at practical daily amounts. A female-health blend and two tiny food-and-enzyme blends are opaque and add little confidence.

Hair Health
Hair Health
Impact
Highest effect
A- Goal FitA- Strength of SupportB+ CoverageC+ Formula Quality
Biotin · 30 mcgVitamin D · 20 mcgZinc · 11 mgIron · 18 mgVitamin C · 90 mg

Chelated iron and zinc combine with vitamin D, selenium, folate, B12, and biotin to address several nutrient-related causes of shedding. The core mineral forms are strong and the amounts are clearly listed.

Three small blends add little verifiable hair support because their individual ingredients and amounts are not shown. The formula can cover nutritional gaps, but it does not supply collagen, keratin, or sulfur amino acids.

Study evidence
Biotin Supportive 4 studies
Folate Mixed 15 studies
Iron Disputed 25 studies
Selenium Disputed 7 studies
Vitamin D Disputed 34 studies
Zinc Supportive 22 studies
Immunity
Immunity
Impact
High effect
A- Goal FitB- Strength of SupportB CoverageC- Formula Quality
Magnesium · 25 mgVitamin C · 90 mgZinc · 11 mgVitamin A · 900 mcgVitamin D · 20 mcgSelenium · 55 mcg

A broad vitamin and mineral base supports mucosal barriers, immune signaling, antioxidant defense, and common nutritional gaps. Several chelated minerals and active vitamin forms improve formulation quality.

Key immune nutrients are present mostly at maintenance amounts rather than the higher targets used for focused immune support. Several small female-health, whole-food, and enzyme blends add label complexity without clear immune depth.

Study evidence
Vitamin C Supportive 53 studies
Vitamin D Supportive 85 studies
Zinc Supportive 73 studies
Energy
Energy
Impact
High effect
B+ Goal FitB+ Strength of SupportC CoverageC+ Formula Quality
Iodine · 150 mcgVitamin D · 20 mcgVitamin B5 · 5 mgMagnesium · 25 mgRiboflavin · 1.3 mgThiamin · 1.2 mgVitamin B12 · 2.4 mcgIron · 18 mgPotassium · 5 mg

Chelated iron and active-form B vitamins support oxygen transport and metabolic energy through well-chosen forms. Vitamin C adds useful support for iron absorption, and the one-capsule serving is practical.

Most B-vitamin amounts are routine rather than targeted for fatigue, and magnesium is too low to contribute much. Small proprietary food and enzyme blends add label breadth without meaningful energy doses.

Study evidence
Iron Supportive 74 studies
Magnesium Supportive 4 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
D Goal FitB- Strength of SupportD CoverageD Formula Quality
Iron · 18 mgVitamin B12 · 2.4 mcgVitamin B12 · 2.4 mcgVitamin B6 · 1.7 mgZinc · 11 mgMagnesium · 25 mg

Iron, methylcobalamin, active B6, and other B vitamins support normal energy metabolism and may help fatigue from inadequate intake. Many minerals use favorable chelated forms.

Choline is present only at a token amount, and several small proprietary blends do not meaningfully support focus. The wide women’s multivitamin panel lacks a stimulant, adaptogen, or well-dosed neurotransmitter precursor.

Study evidence
Iron Supportive 69 studies

Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene, Vitamin A Palmitate)
 900 mcg
Vitamin C (L-Ascorbic Acid)
 90 mg
Vitamin D3 (Cholecalciferol)
 20 mcg
Vitamin E (D-Alpha-Tocopheryl Succinate)
 15 mg
Thiamin (Cocarboxylase)
 1.2 mg
Riboflavin (Riboflavin 5-Phosphate)
 1.3 mg
Niacin (Niacinamide)
 16 mg
Vitamin B6 (Pyridoxal 5-Phosphate)
 1.7 mg
Folate
667 mcg DFE
Vitamin B12 (Methylcobalamin)
 2.4 mcg
Biotin (D-Biotin)
 30 mcg
Pantothenic Acid
5 mg
Calcium (Calcium Citrate, Calcium Malate)
 50 mg
Iron (Iron Bisglycinate Chelate)
 18 mg
Iodine (Potassium Iodide)
 150 mcg
Magnesium (Magnesium Aspartate)
 25 mg
Zinc (Zinc Bisglycinate Chelate)
 11 mg
Selenium (Selenium Glycinate Complex)
 55 mcg
Copper (Copper Bisglycinate Chelate)
 0.9 mg
Manganese (Manganese Bisglycinate Chelate)
 2.3 mg
Chromium (Chromium Nicotinate Glycinate Chelate)
 35 mcg
Molybdenum (Molybdenum Glycinate Chelate)
 45 mcg
Potassium (Potassium Aspartate)
 5 mg
Choline (Choline Bitartrate)
 5 mg
PABA
5 mg
Boron (Boron Aspartate, Boron Citrate, Boron Glycinate)
 1 mg
Vitamin K (Menaquinone-7)
 20 mcg
Advanced Female Health Blend
100 mg
Organic Whole Food Vegetable Blend
5 mg
Plant Source Enzyme Blend
5 mg
Gluten Free Kosher Dairy Free Sugar Free Women 18–50
Report overview
Iodine (Potassium Iodide) · 150 mcg OverallScore93
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC+ Value

The 150 mcg iodine serving aligns with daily thyroid maintenance needs. Potassium iodide is a stable, water-soluble iodine form. The qualifying cofactor partly justifies the higher cost than standalone iodine.

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Manganese (Manganese Bisglycinate Chelate) · 2.3 mg OverallScore84
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyD+ Value

The bisglycinate chelate offers strong absorption quality, and the elemental amount is clearly disclosed. The dose suits nutritional maintenance but falls short of the collection's targeted range. A broad multivitamin formula adds many nutrients, while the per-serving value for manganese alone is only moderate.

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Copper (Copper Bisglycinate Chelate) · 0.9 mg OverallScore84
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyD+ Value

Copper bisglycinate provides a premium amino acid chelate with clear form disclosure. The 0.9 mg serving meets the adult daily target but remains below the collection median; its zinc-to-copper balance sits within the preferred range. Serving cost is above the collection benchmark, though the broader multi-nutrient formula adds some value.

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Loading alternative details
85 Performance

Essential Blend Multi Mineral

Jigsaw Health
Bisglycinate or glycinate forms of zinc, selenium, copper, manganese, chromium, and molybdenum create a focused, fully dosed trace-mineral alternative. It omits iron and vitamins, while the chromium amount is substantial, so it is preferable when targeted mineral coverage is the goal.
80 Performance

Baby & Me 2 Postnatal Multi

MegaFood
Methylfolate, methylcobalamin, active B6, choline, iron bisglycinate, and chelated trace minerals give the formula strong nutrient quality and broad women’s coverage. It is specifically postnatal and its iodine amount may require coordination with thyroid care, so fit depends on life stage.
74 Performance

Ladies' One 40+

Bluebonnet
Active B vitamins, methylfolate, methylcobalamin, vitamin D3, and extensively chelated minerals provide a refined age-targeted formula. It omits iron and includes several token specialty blends, making it better suited to women over forty who do not need supplemental iron.
80 Budget

Sentry Adults

21st Century
Broad vitamins plus iron, iodine, selenium, manganese, chromium, and molybdenum provide far stronger serving value and retain the original’s wide mineral coverage. Many minerals use basic oxide, sulfate, carbonate, or selenate forms, so the lower cost comes with lower form quality.
78 Budget

Multi with Iron Century Formula

Swanson
A wide vitamin-mineral profile includes iron, iodine, copper, manganese, and molybdenum at very favorable serving value. Its iron amount is high for routine use and several mineral forms are basic, making it most suitable when substantial supplemental iron is appropriate.
75 Budget

Alive! Women's Energy Complete Multivitamin

Nature's Way
Iron, iodine, selenium, copper, manganese, and molybdenum preserve broad coverage while vitamin D3 and B vitamins add daily support at lower serving cost. Ferrous fumarate and several oxide, sulfate, and selenate forms are less refined than the original chelates.
80 Value

Sentry Adults

21st Century
A broad vitamin-mineral profile retains iron, iodine, selenium, copper, manganese, and molybdenum with especially favorable serving economics. Basic mineral forms and duplicated entries reduce quality compared with the original chelated formula.
84 Value

Complete Multivitamin

Bayer One A Day Men's
Broad maintenance amounts and complete active-dose disclosure offer strong everyday value with useful iodine, selenium, manganese, and copper. The formula contains no meaningful iron and leaves most chemical forms unspecified, so it does not directly replace an iron-containing women’s multivitamin.
79 Value

Ladies' One

Bluebonnet
Chelated trace minerals, methylfolate, methylcobalamin, active B6, and iron bisglycinate closely match the original while improving immunity alignment and serving value. Repeated vitamin K entries and several proprietary blends still limit transparency.
Report alternatives

Sources

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

  1. [Comparative study of the urinary excretion of boron, calcium, magnesium and phosphorus in postmenopausal women with and without osteoporosis].
    José Ramón V; Mora Mora M; Marino Alarcón O; Hernández G; Josefina Linares L; Urdaneta Romero H; Arévalo González E · Investigacion clinica · 2013
    Case-control study45 participantsBone Health forBoron
  2. Effect of dietary boron on mineral, estrogen, and testosterone metabolism in postmenopausal women.
    Nielsen FH; Hunt CD; Mullen LM; Hunt JR · FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 1987
    Single-arm trial12 participantsBone Health forBoron
  3. The relationship between boron and magnesium status and bone mineral density in the human: a review.
    Volpe SL; Taper LJ; Meacham S · Magnesium research · 1994
    Narrative reviewBone Health forBoron
  4. Effects of boron supplementation on bone mineral density and dietary, blood, and urinary calcium, phosphorus, magnesium, and boron in female athletes.
    Meacham SL; Taper LJ; Volpe SL · Environmental health perspectives · 1995
    Randomized trial28 participantsBone Health forBoron
  5. Metabolic responses of postmenopausal women to supplemental dietary boron and aluminum during usual and low magnesium intake: boron, calcium, and magnesium absorption and retention and blood mineral concentrations
    C D Hunt, J L Herbel, F H Nielsen · The American Journal of Clinical Nutrition · 1997
    Non-randomized trial11 participantsBone Health forBoron
  6. What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  7. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  8. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  9. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  10. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium
  11. Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
    Dominguez LJ; Veronese N; Ciriminna S; Pérez-Albela JL; Vásquez-López VF; Rodas-Regalado S; Di Bella G; Parisi A; Tagliaferri F; Barbagallo M · Nutrients · 2023
    Meta-analysis119,755 participants4 studies pooledBone Health forMagnesium
  12. Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
    Hung CH; Kwok YC; Yip J; Wong HH; Leung YY · Craniomaxillofacial trauma & reconstruction · 2025
    Systematic review386 participants8 studies pooledBone Health forMagnesium
  13. Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
    Zhao D; Huang S; Lu F; Wang B; Yang L; Qin L; Yang K; Li Y; Li W; Wang W; Tian S; Zhang X; Gao W; Wang Z; Zhang Y; Xie X; Wang J; Li J · Biomaterials · 2016
    Randomized trial48 participantsBone Health forMagnesium
  14. An update on magnesium and bone health.
    Rondanelli M; Faliva MA; Tartara A; Gasparri C; Perna S; Infantino V; Riva A; Petrangolini G; Peroni G · Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2022
    Narrative reviewBone Health forMagnesium
  15. Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
    Wang B; Tan X; Yao X; Zhu Z · Endocrine connections · 2025
    Cross-sectional study1,343 participantsBone Health forMagnesium
  16. Pregnancy vitamin D supplementation and offspring bone mineral density in childhood follow-up of a randomized controlled trial.
    Moon RJ; D' Angelo S; Curtis EM; Ward KA; Crozier SR; Schoenmakers I; Javaid MK; Bishop NJ; Godfrey KM; Cooper C; Harvey NC; MAVIDOS Trial Group · The American journal of clinical nutrition · 2024
    Randomized trial454 participantsBone Health forVitamin D
  17. Vitamin D analogs and bone: preclinical and clinical studies with eldecalcitol.
    Matsumoto T; Takano T; Saito H; Takahashi F · BoneKEy reports · 2014
    Narrative reviewBone Health forVitamin D
  18. Efficacy of vitamin D fortified foods on bone mineral density and serum bone biomarkers: A systematic review and meta-analysis of interventional studies.
    Tangestani H; Djafarian K; Emamat H; Arabzadegan N; Shab-Bidar S · Critical reviews in food science and nutrition · 2020
    Meta-analysis1,786 participants20 studies pooledBone Health forVitamin D
  19. Cholecalciferol Supplementation Attenuates Bone Loss in Incident Kidney Transplant Recipients: A Prespecified Secondary Endpoint Analysis of a Randomized Controlled Trial.
    Tsujita M; Doi Y; Obi Y; Hamano T; Tomosugi T; Futamura K; Okada M; Hiramitsu T; Goto N; Isaka Y; Takeda A; Narumi S; Watarai Y · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2022
    Randomized trial193 participantsBone Health forVitamin D
  20. Vitamin D supplementation and bone health in post-menopausal women: a 24-month randomized controlled intervention with enhanced bioavailability formulations.
    Rasool N; Munir Y · European journal of clinical nutrition · 2026
    Randomized trial612 participantsBone Health forVitamin D
  21. Vitamin K and the prevention of fractures: systematic review and meta-analysis of randomized controlled trials.
    Cockayne S; Adamson J; Lanham-New S; Shearer MJ; Gilbody S; Torgerson DJ · Archives of internal medicine · 2006
    Meta-analysis13 studies pooledBone Health forVitamin K
  22. Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women.
    Knapen MH; Drummen NE; Smit E; Vermeer C; Theuwissen E · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial244 participantsBone Health forVitamin K
  23. Effect of combined administration of vitamin D3 and vitamin K2 on bone mineral density of the lumbar spine in postmenopausal women with osteoporosis.
    Iwamoto J; Takeda T; Ichimura S · Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association · 2001
    Randomized trial92 participantsBone Health forVitamin K
  24. Efficacy and safety of vitamin K2 for postmenopausal women with osteoporosis at a long-term follow-up: meta-analysis and systematic review.
    Zhou M; Han S; Zhang W; Wu D · Journal of bone and mineral metabolism · 2022
    Meta-analysis6,853 participants9 studies pooledBone Health forVitamin K
  25. Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
    Koitaya N; Sekiguchi M; Tousen Y; Nishide Y; Morita A; Yamauchi J; Gando Y; Miyachi M; Aoki M; Komatsu M; Watanabe F; Morishita K; Ishimi Y · Journal of bone and mineral metabolism · 2015
    Randomized trial48 participantsBone Health forVitamin K
  26. 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 participantsEnergy forIron
  27. 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 participantsEnergy forIron
  28. 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 participantsEnergy forIron
  29. 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 participantsEnergy forIron
  30. 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 participantsEnergy forIron
  31. 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
  32. 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
  33. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  34. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  35. 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
  36. 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
  37. 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
  38. 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
  39. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  40. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  41. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  42. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  43. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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 / consensusImmunity forVitamin C
  65. 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 pooledImmunity forVitamin C
  66. 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-analysisImmunity forVitamin C
  67. New evidence for antioxidant properties of vitamin C.
    Vojdani A; Bazargan M; Vojdani E; Wright J · Cancer detection and prevention · 2001
    Randomized trial20 participantsImmunity forVitamin C
  68. 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 pooledImmunity forVitamin C
  69. 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 pooledImmunity forVitamin D
  70. 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 pooledImmunity forVitamin D
  71. 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 participantsImmunity forVitamin D
  72. 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 participantsImmunity forVitamin D
  73. 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 pooledImmunity forVitamin D
  74. 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 pooledImmunity forZinc
  75. 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 participantsImmunity forZinc
  76. 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 participantsImmunity forZinc
  77. 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 participantsImmunity forZinc
  78. 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 pooledImmunity forZinc
  79. 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 pooledProductivity Boost forIron
  80. 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 participantsProductivity Boost forIron
  81. 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 participantsProductivity Boost forIron
  82. 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 participantsProductivity Boost forIron
  83. 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 pooledProductivity Boost forIron