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Sentry Women

21st Century
4.7
★ ★ ★ ★ ★
(6073 ratings)
Iodine 150 mcg
Chloride 72 mg
Iron 18 mg
Copper 0.5 mg
Molybdenum 50 mcg
Vitamin K 50 mcg
Product Image
Score81
The broad vitamin-and-mineral profile provides practical daily coverage and includes a meaningful iron amount for people who need it. Several inexpensive mineral forms and duplicated source lines reduce quality and label clarity.
How scoring works
Quantity:120 Tablet(s) • (120 servings)
Goals:
Energy
Hair Health
Productivity Boost
Detoxification

Score 81

The broad vitamin-and-mineral profile provides practical daily coverage and includes a meaningful iron amount for people who need it. Several inexpensive mineral forms and duplicated source lines reduce quality and label clarity.
How scoring works
$9.99($0.08 per serving)
iHerb
$ 9.99
Amazon
$ 17.98
Report prices

Analysis

The broad vitamin-and-mineral profile provides practical daily coverage and includes a meaningful iron amount for people who need it. Several inexpensive mineral forms and duplicated source lines reduce quality and label clarity.

Potassium iodide provides a stable and readily absorbed iodine form at an appropriate daily amount. The single-tablet format is convenient, though the broad mineral blend and calcium salts make delivery less streamlined.

Eighteen milligrams of iron plus iodine and a complete B-vitamin set support oxygen transport, thyroid function, and energy metabolism. Chelated ferrous fumarate strengthens the main energy-relevant mineral.

Who is it for
  • Adults focused on energy
  • Adults focused on hair health
  • Adults focused on productivity boost
Best for
  • Iodine supplementation
  • Chloride supplementation
  • Iron supplementation

Pros

  • Provides a disclosed 25.00mcg of vitamin d3
  • Provides a disclosed 6.00mcg of vitamin b12
  • Provides a disclosed 18.00mg of iron

Cons

  • Several minerals use inexpensive forms
  • Duplicated source lines reduce dose clarity
  • The 18 mg iron amount limits suitability

Warnings

  • The 18 mg iron amount may cause nausea or constipation and is unsuitable with iron overload or advice to avoid supplemental iron.
  • Vitamin K can oppose warfarin and related medicines, so intake should remain consistent and medically coordinated.
  • The broad formula should not be stacked casually with another multivitamin.

Nutrient quality

77 High impact

Vitamin D3, potassium iodide, and chelated ferrous fumarate are useful, while several oxide and sulfate minerals are basic. Iron, folate, vitamin C, and B vitamins provide meaningful energy-related coverage.

.

Ingredient transparency

81 Highest impact

All meaningful active amounts are clearly disclosed. The supplied data does not include a complete inactive ingredient list.

.

Customer satisfaction

71 High impact

The aggregate satisfaction measure is supported by adequate volume. Missing feedback themes leave recurring complaints and purpose fit uncertain.

.

Value for money

95 Highest impact

The price is very well matched to the formula quality and dose. Each serving provides excellent cost efficiency.

.
Report analysis

Goals

Energy
Energy
Impact
High effect
A- Goal FitB- Strength of SupportB- CoverageB Formula Quality
Iodine · 150 mcgVitamin D · 25 mcgVitamin B5 · 15 mgMagnesium · 100 mgRiboflavin · 1.1 mgThiamin · 1.1 mgVitamin B12 · 6 mcgIron · 18 mgPotassium · 80 mg

Eighteen milligrams of iron plus iodine and a complete B-vitamin set support oxygen transport, thyroid function, and energy metabolism. Chelated ferrous fumarate strengthens the main energy-relevant mineral.

B12 and magnesium remain below the goal-specific target amounts, and magnesium oxide is a weaker form. Iron is useful when needs are elevated but is unnecessary for many people with adequate stores.

Study evidence
Iodine Adverse 3 studies
Iron Supportive 74 studies
Magnesium Supportive 4 studies
Hair Health
Hair Health
Impact
High effect
B+ Goal FitB- Strength of SupportB+ CoverageC+ Formula Quality
Biotin · 40 mcgVitamin D · 25 mcgZinc · 8 mgIron · 18 mgVitamin C · 75 mg

Chelated ferrous fumarate, iodine, vitamin D, zinc, selenium, folate, B12, and biotin provide broad nutritional support for follicles and deficiency-related shedding. Iron is the most meaningful targeted active, with the remaining nutrients serving complementary daily roles.

Vitamin C and blood-forming cofactors support iron, but calcium and zinc in the same tablet can limit absorption. The 18 mg iron dose may benefit low stores yet can be unnecessary or cause digestive effects in people who already have adequate iron.

Study evidence
Biotin Supportive 4 studies
Copper Adverse 4 studies
Folate Mixed 15 studies
Iodine No effect 1 study
Iron Disputed 25 studies
Selenium Disputed 7 studies
Vitamin C Mixed 5 studies
Vitamin D Disputed 34 studies
Zinc Supportive 22 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
C+ Goal FitB Strength of SupportC CoverageD Formula Quality
Iron · 18 mgVitamin B12 · 6 mcgVitamin B12 · 6 mcgVitamin B6 · 2 mgZinc · 8 mgMagnesium · 100 mg

Iron, B vitamins, iodine, and magnesium may support energy and attention when low intake contributes to fatigue. The formula remains a general multivitamin rather than a direct focus product.

The iron amount is useful and labeled as chelated ferrous fumarate, though the exact chelation is not explained. Calcium and zinc may compete with iron absorption, while magnesium oxide adds limited absorbable magnesium.

Study evidence
Iron Supportive 69 studies
Magnesium Supportive 10 studies
Zinc Supportive 11 studies
Detoxification
Detoxification
Impact
Moderate effect
C- Goal FitD Strength of SupportC+ CoverageC Formula Quality
Folate · 667 mcg DFEVitamin B12 · 6 mcgVitamin B6 · 2 mgMolybdenum · 50 mcgSelenium · 18 mcgMagnesium · 100 mgVitamin E · 15.8 mgZinc · 8 mgVitamin C · 75 mgRiboflavin · 1.1 mg

Molybdenum, vitamin C, zinc, selenium, folate, and B vitamins provide basic support for sulfite metabolism, methylation, and antioxidant enzymes. The formula offers general nutritional coverage rather than concentrated liver or gut-clearance support.

The 50 mcg molybdenum amount is below the associated target, and selenium is also low. Magnesium and zinc use oxide forms, further limiting the effective contribution of an otherwise transparent label.

Study evidence
Folate Supportive 16 studies
Magnesium Supportive 19 studies
Molybdenum Adverse 1 study
Selenium Supportive 10 studies
Vitamin C Supportive 9 studies
Zinc Supportive 30 studies

Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene, Vitamin A Acetate)
 1050 mcg
Vitamin C (Ascorbic Acid)
 75 mg
Vitamin D3 (Cholecalciferol)
 25 mcg
Vitamin E (DL-Alpha-Tocopheryl Acetate)
 15.8 mg
Vitamin K (Phytonadione)
 50 mcg
Thiamine (Thiamine Mononitrate, Vitamin B1)
 1.1 mg
Riboflavin (Vitamin B2)
 1.1 mg
Niacin (Niacinamide)
 14 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 2 mg
Folate
667 mcg DFE
Vitamin B12 (Cyanocobalamin)
 6 mcg
Biotin
40 mcg
Pantothenic Acid (D-Calcium Pantothenate)
 15 mg
Calcium (Calcium Carbonate, Dicalcium Phosphate)
 200 mg
Iron (Ferrous Fumarate Chelate)
 18 mg
Phosphorus (Dicalcium Phosphate)
 20 mg
Iodine (Potassium Iodide)
 150 mcg
Magnesium (Magnesium Oxide)
 100 mg
Zinc (Zinc Oxide)
 8 mg
Selenium (Sodium Selenate)
 18 mcg
Copper (Copper Sulfate)
 0.5 mg
Manganese (Manganese Sulfate)
 1.8 mg
Chromium (Chromium Picolinate)
 32 mcg
Molybdenum (Sodium Molybdate)
 50 mcg
Chloride (Potassium Chloride)
 72 mg
Potassium (Potassium Chloride)
 80 mg
Gluten Free Women 18–50
Report overview
Iodine (Potassium Iodide) · 150 mcg OverallScore99
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Potassium iodide provides a stable and readily absorbed iodine form at an appropriate daily amount. The single-tablet format is convenient, though the broad mineral blend and calcium salts make delivery less streamlined. The serving cost is very low for a multivitamin.

View ingredientView products
Chloride (Potassium Chloride) · 72 mg OverallScore74
C Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyA+ Value

The 72 mg chloride serving provides only moderate electrolyte support. Potassium chloride is a soluble source, although the tablet format must break down before release. The broad multivitamin formula offers good serving value, but it is not designed for substantial electrolyte replacement.

View ingredientView products
Iron (Ferrous Fumarate Chelate) · 18 mg OverallScore74
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The labeled chelated ferrous fumarate provides an effective iron dose, though the exact chelation chemistry is not disclosed as a premium form. Vitamin C, folate, and vitamin B12 support iron use, but zinc and substantial calcium may compete with absorption. A single tablet supplies the full serving and offers excellent value.

View ingredientView products
Loading alternative details
88 Performance

Prenatal

Fairhaven Health
<p>A broad prenatal formula combines methylfolate, methylcobalamin, iodine, iron, and other essential nutrients. Its alignment with the original’s broad nutrient purpose makes it a suitable eligible alternative. Forms and amounts are mostly clear, making the formula straightforward to assess.</p>
80 Performance

One Daily Multivitamin for Women

NATURELO Premium Supplements
<p>A broad women’s multivitamin uses MK-7, methylfolate, methylcobalamin, active B6, and several chelated minerals. Its alignment with the original’s broad nutrient purpose makes it a suitable eligible alternative. Strong aggregate satisfaction and favorable serving economics support value, though the unquantified produce blend and modest calcium and magnesium add little and ferrous fumarate may be less gentle than chelated iron</p>
80 Performance

Baby & Me 2 Postnatal Multi

MegaFood
<p>Methylfolate, methylcobalamin, active riboflavin, chelated minerals, choline, iron, vitamin D3, and moringa create a thoughtful postnatal formula. Its alignment with the original’s broad nutrient purpose makes it a suitable eligible alternative. Choline remains below lactation needs, while the larger package improves serving value and the iodine amount may require coordination with thyroid care.</p>
73 Budget

Children's Chewable Complete Multivitamin

Equate
<p>A low-cost children’s chewable provides broad vitamin and mineral coverage with clearly stated amounts. Its lower serving cost makes it a more economical alternative to the original. Unspecified nutrient forms and a substantial iron amount create uncertainty, so age-appropriate label directions matter</p>
80 Budget

Sentry Adults

21st Century
<p>Broad vitamin and mineral coverage makes this a practical general multivitamin with useful iron, iodine, vitamin D3, and B vitamins. Its lower serving cost makes it a more economical alternative to the original. Many minerals use inexpensive oxide, sulfate, or carbonate forms, and some ingredient entries are duplicated in the supplied data.</p>
78 Budget

Multi with Iron Century Formula

Swanson
<p>The broad vitamin and mineral profile covers common nutritional gaps at very low serving cost, but several mineral and B-vitamin forms are basic. Its lower serving cost makes it a more economical alternative to the original. Iron is supplied at a high routine amount and may cause constipation or nausea, so the formula best fits users with a demonstrated need for iron.</p>
79 Value

Sentry Senior Adults 50+

21st Century
<p>Broad senior-focused nutrient coverage and a long supply support practical daily maintenance. Its balance of nutrient coverage and serving value compares favorably with the original. Basic mineral forms and several modest trace-mineral amounts limit targeted usefulness.</p>
78 Value

Centrum Silver Women 50+

GSK
<p>Broad maintenance nutrition provides practical daily support for older women at exceptionally low cost. Its balance of nutrient coverage and serving value compares favorably with the original. Undisclosed chemical forms and modest iron, copper, and specialty amounts limit quality and targeted depth.</p>
75 Value

Alive! Women's Energy Complete Multivitamin

Nature's Way
<p>A broad vitamin and mineral profile covers common daily needs at a practical serving size. Its balance of nutrient coverage and serving value compares favorably with the original. Several minerals use basic oxide, carbonate, sulfate, or selenate forms, and the small produce blend adds little nutritional depth.</p>
Report alternatives

Sources

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

  1. 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
  2. Intravenous iron versus blood transfusion for postpartum anemia: a systematic review and meta-analysis.
    Caljé E; Groom KM; Dixon L; Marriott J; Foon R; Oyston C; Bloomfield FH; Jordan V · Systematic reviews · 2024
    Meta-analysis4,196 participantsEnergy forIron
  3. Clinical evaluation of iron treatment efficiency among non-anemic but iron-deficient female blood donors: a randomized controlled trial.
    Waldvogel S; Pedrazzini B; Vaucher P; Bize R; Cornuz J; Tissot JD; Favrat B · BMC medicine · 2012
    Randomized trial154 participantsEnergy forIron
  4. Iron deficiency, general health and fatigue: results from the Australian Longitudinal Study on Women's Health.
    Patterson AJ; Brown WJ; Powers JR; Roberts DC · Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2001
    Cohort studyEnergy forIron
  5. 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
  6. Comparison of efficacy of folic acid and silymarin in the management of antiepileptic drug induced liver injury: a randomized clinical trial.
    Asgarshirazi M; Shariat M; Sheikh M · Hepatobiliary & pancreatic diseases international : HBPD INT · 2018
    Randomized trial55 participantsDetoxification forFolate
  7. Homocysteine, folate, and nonalcoholic fatty liver disease: a systematic review with meta-analysis and Mendelian randomization investigation.
    Yuan S; Chen J; Dan L; Xie Y; Sun Y; Li X; Larsson SC · The American journal of clinical nutrition · 2022
    Meta-analysis30,368 participants22 studies pooledDetoxification forFolate
  8. Serum folate levels and urinary arsenic methylation profiles in the US population: NHANES, 2003-2012.
    Zhang X; Xu X; Zhong Y; Power MC; Taylor BD; Carrillo G · Journal of exposure science & environmental epidemiology · 2020
    Cross-sectional study11,016 participantsDetoxification forFolate
  9. Association between serum folate levels and blood concentrations of cadmium and lead in US adults.
    Wu Z; Hu H; Wang C; Wu J; Xiong Y; Fu Y; Cheng X; Su H; Li P · Environmental science and pollution research international · 2022
    Cross-sectional study15,501 participantsDetoxification forFolate
  10. Effects of Folic Acid Supplementation on Liver Enzymes, Lipid Profile, and Insulin Resistance in Patients with Non-Alcoholic Fatty Liver Disease: A Randomized Controlled Trial.
    Molaqanbari MR; Zarringol S; Talari HR; Taghizadeh M; Bahmani F; Mohtashamian A; Ebrahimzadeh A; Sharifi N · Advanced biomedical research · 2023
    Randomized trial66 participantsDetoxification forFolate
  11. Oral magnesium supplementation improves metabolic variables and muscle strength in alcoholics.
    Gullestad L; Dolva LO; Søyland E; Manger AT; Falch D; Kjekshus J · Alcoholism, clinical and experimental research · 1992
    Randomized trial49 participantsDetoxification forMagnesium
  12. Magnesium Sulfate Administration in Moderate Coronary Artery Disease Patients Improves Atherosclerotic Risk Factors: A Double-Blind Clinical Trial Study.
    Farshidi H; Sobhani AR; Eslami M; Azarkish F; Eftekhar E; Keshavarz M; Soltani N · Journal of cardiovascular pharmacology · 2021
    Randomized trialDetoxification forMagnesium
  13. Effects of Synbiotic Food Consumption on Serum Minerals, Liver Enzymes, and Blood Pressure in Patients with Type 2 Diabetes: A Double-blind Randomized Cross-over Controlled Clinical Trial.
    Asemi Z; Aarabi MH; Hajijafari M; Alizadeh SA; Razzaghi R; Mazoochi M; Esmaillzadeh A · International journal of preventive medicine · 2020
    Randomized trialDetoxification forMagnesium
  14. Clinical experience with 781 cases of alcoholism evaluated and treated on an inpatient basis by various methods.
    Daus AT; Freeman WM; Wilson J; Aponte C · The International journal of the addictions · 1985
    Observational study781 participantsDetoxification forMagnesium
  15. Ionized hypomagnesemia in patients undergoing orthotopic liver transplantation: a complication of citrate intoxication.
    Scott VL; De Wolf AM; Kang Y; Altura BT; Virji MA; Cook DR; Altura BM · Liver transplantation and surgery : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society · 1997
    Single-arm trialDetoxification forMagnesium
  16. 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
  17. 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
  18. [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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. [Therapy of Wilson disease].
    Smolarek C; Stremmel W · Zeitschrift fur Gastroenterologie · 1999
    Narrative reviewDetoxification forZinc
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  41. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. [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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. 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
  82. 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
  83. 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
  84. 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
  85. 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
  86. Cross-sectional and longitudinal associations of magnesium intake and cognition in the Healthy Aging Longitudinal Study in Taiwan.
    Tao MH; Chuang SC; Wu IC; Chan HT; Cheng CW; Chen HL; Lee MM; Chang HY; Hsiung CA; Hsu CC · European journal of nutrition · 2024
    Cohort study5,663 participantsProductivity Boost forMagnesium
  87. Low levels of serum magnesium are associated with poststroke cognitive impairment in ischemic stroke patients.
    Tu X; Qiu H; Lin S; He W; Huang G; Zhang X; Wu Y; He J · Neuropsychiatric disease and treatment · 2022
    Cohort study327 participantsProductivity Boost forMagnesium
  88. The effects of magnesium L-threonate (Magtein®) on cognitive performance and sleep quality in adults: a randomised, double-blind, placebo-controlled trial.
    Lopresti AL; Smith SJ · Frontiers in nutrition · 2026
    Randomized trial100 participantsProductivity Boost forMagnesium
  89. Hypomagnesemia and Acute Cognitive Decline in Older Adults: An Evaluation of Clinical Practice and Cognitive Outcomes at a National Health Service (NHS) Trust in England.
    Lai XN; Sadhwani V; Ng WM; Gani A · Cureus · 2025
    Cohort study667 participantsProductivity Boost forMagnesium
  90. Magnesium Depletion Score as a Novel Predictor of Cognitive Impairment: A Population-Based Cross-Sectional Study From NHANES.
    Chen M; Xue R; Zhang M; Zhang J; Zheng J; Ye D; Sun J · Journal of the American Medical Directors Association · 2025
    Cross-sectional study2,768 participantsProductivity Boost forMagnesium
  91. Zinc supplementation improved cognitive performance and taste acuity in Indian adolescent girls.
    Tupe RP; Chiplonkar SA · Journal of the American College of Nutrition · 2010
    Randomized trial180 participantsProductivity Boost forZinc
  92. Effects of Physical Activity and Micronutrients on Cognitive Performance in Children Aged 6 to 11 Years: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Meli AM; Ali A; Mhd Jalil AM; Mohd Yusof H; Tan MMC · Medicina (Kaunas, Lithuania) · 2022
    Meta-analysisProductivity Boost forZinc
  93. Linkages of biomarkers of zinc with cognitive performance and taste acuity in adolescent girls.
    Chiplonkar SA; Kawade R · International journal of food sciences and nutrition · 2015
    Cross-sectional study403 participantsProductivity Boost forZinc
  94. Associations Between Serum Selenium, Zinc, and Copper Levels and Cognitive Function in the Elderly.
    Charernwat P; Chansirikarnjana S; Panpunuan P; Sritara P; Sirivarasai J · Nutrients · 2025
    Cross-sectional study854 participantsProductivity Boost forZinc
  95. Comparative analysis of methyl-donor nutrient intakes and RCPM cognitive performance among school-aged children.
    Apprey C; Asamoah-Boakye O; Annaful VT; Annan RA · Clinical nutrition ESPEN · 2022
    Cross-sectional study2,073 participantsProductivity Boost forZinc