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Mighty Mini

Advanced Nutrition by Zahler
4.8
★ ★ ★ ★ ★
(1594 ratings)
Iron 18 mg
Iodine 145 mcg
Copper 0.65 mg
DHA 100 mg
Product Image
Score80
A well-designed one-softgel multi with active vitamins, gentle iron, MK-7, and algal DHA. Modest DHA and important iron and warfarin precautions keep it from being universally suitable.
How scoring works
Quantity:90 Softgel(s) • (90 servings)
Goals:
Energy
Immunity
Hair Health

Score 80

A well-designed one-softgel multi with active vitamins, gentle iron, MK-7, and algal DHA. Modest DHA and important iron and warfarin precautions keep it from being universally suitable.
How scoring works
$38.97($0.43 per serving)
iHerb
$ 38.97
Walmart
$ 42.09
Pure Formulas
$ 38.97
Vitacost
$ 38.99
Report prices

Analysis

The formula supplies active methylfolate, methylcobalamin, pyridoxal-5-phosphate, iron bisglycinate, vitamin D3, and MK-7. These choices give it a strong nutritional base for energy, immunity, and hair support when dietary gaps are present.

Eighteen milligrams of chelated iron is meaningful and may be gentler than basic iron salts. Algal DHA is clearly identified but limited to 100 mg, while copper oxide is a less appealing part of an otherwise thoughtful nutrient profile.

One softgel per day and a long supply make regular use convenient. Iron should match a genuine need, and vitamin K2 requires coordination for people using warfarin or related vitamin-K-antagonist medicines.

Who is it for
  • Adults who need a multinutrient formula containing iron
  • People who prefer active B-vitamin forms
  • Users seeking a convenient one-softgel serving
Best for
  • Broad daily nutritional coverage
  • Nutrient-related energy and hair support
  • Combining iron, vitamin D3, K2, and modest algal DHA

Pros

  • Uses iron bisglycinate and several active B-vitamin forms
  • Includes vitamin D3 and MK-7
  • Provides algal DHA in one softgel

Cons

  • DHA amount is modest
  • Copper oxide is a weaker mineral form
  • Several nutrients use maintenance rather than targeted amounts

Warnings

  • The 18 mg iron can cause nausea or constipation and is unsuitable for iron-overload conditions unless specifically directed.
  • Vitamin K2 can interfere with warfarin and related vitamin-K-antagonist dose control; intake should be medically coordinated and consistent.

Nutrient quality

86 Highest impact

Strong nutrient forms and broad coverage create a high-quality multivitamin core. Modest DHA and substantial folate and iron make the balance less even.

Ingredient transparency

74 High impact

Active amounts are comprehensive and no blend conceals doses. Malformed name-and-form entries and missing non-active ingredients reduce readability.

Customer satisfaction

73 High impact

The aggregate rating is favorable and backed by a large review volume. No specific comments are available to assess recurring problems or real-world fit.

Value for money

85 Highest impact

Quality forms and a long single-softgel supply provide good value. Only modest DHA limits the breadth of that value.

Report analysis

Goals

Energy
Energy
Impact
Highest effect
A- Goal FitB+ Strength of SupportB+ CoverageA Formula Quality
Iodine · 145 mcgVitamin D · 30 mcgVitamin B5 · 7 mgRiboflavin · 1.6 mgThiamin · 1.4 mgVitamin B12 · 2.8 mcgIron · 18 mg

Iron, active B vitamins, iodine, and vitamin D support oxygen transport and several metabolic pathways. The 18 mg ferrous bisglycinate dose is meaningful and uses a well-absorbed form that is often gentler on digestion.

Vitamin B12 is low for a dedicated energy product, but methylfolate and multiple cofactor forms strengthen the broader nutritional design. Iron should still match an individual need because unnecessary intake can cause digestive effects and excess accumulation.

Study evidence
Iodine Adverse 3 studies
Iron Supportive 74 studies
Vitamin D Supportive 32 studies
Immunity
Immunity
Impact
Highest effect
A Goal FitB+ Strength of SupportB+ CoverageB- Formula Quality
Vitamin C · 30 mgZinc · 6.5 mgVitamin A · 650 mcg RAEVitamin D · 30 mcgSelenium · 35 mcg

The broad vitamin and mineral base aligns closely with filling common nutritional gaps and supporting daily physiology. The formula spans antioxidant, energy, immune, bone, eye, and mineral pathways.

Many vitamins are supplied at meaningful amounts, but several minerals and specialty ingredients appear too small for strong independent effects. Active B6 and B12 forms strengthen the formula, although some source splits and proprietary blends remain unclear.

Hair Health
Hair Health
Impact
High effect
B- Goal FitB+ Strength of SupportB- CoverageC+ Formula Quality
Biotin · 35 mcgVitamin D · 30 mcgZinc · 6.5 mgIron · 18 mgVitamin C · 30 mg

Iron, zinc, biotin, vitamin D, and DHA may support hair when dietary gaps are present. Ferrous bisglycinate and several active vitamin forms improve nutritional quality.

Iron is meaningful, while biotin and zinc remain nutritional rather than targeted. The 18 mg iron amount can cause digestive effects and should match an identified need.

Study evidence
Biotin Supportive 4 studies
Iron Disputed 25 studies
Vitamin D Disputed 34 studies
Zinc Supportive 22 studies
Mental Focus
Mental Focus
Impact
Moderate effect
D+ Goal FitB- Strength of SupportC+ CoverageC- Formula Quality
Folate · 800 mcg DFEVitamin B6 · 2 mgVitamin D · 30 mcgVitamin B12 · 2.8 mcg

Iron, active B vitamins, iodine, and DHA can support normal cognition when nutritional intake is inadequate. Their relationship to focus is foundational and need-dependent rather than an acute performance effect.

Strong nutrient forms and exact amounts make the formula transparent. The 18 mg iron amount may cause constipation or nausea and is unsuitable for people with iron-overload conditions unless specifically directed.

Study evidence
Iodine No effect 17 studies
Iron Adverse 33 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
D Goal FitB- Strength of SupportD- CoverageD Formula Quality
Iron · 18 mgVitamin B12 · 2.8 mcgVitamin B12 · 2.8 mcgVitamin B6 · 2 mgZinc · 6.5 mg

Iron, B vitamins, and iodine may support energy when a nutrient shortfall contributes to fatigue. The broad multivitamin is not designed as a focused cognitive or productivity formula.

Many nutrient forms and amounts are disclosed, but most are maintenance doses rather than targeted nootropic amounts. Iron can be harmful when unnecessary, so use should match an identified need or appropriate life-stage guidance.

Study evidence
Iron Supportive 69 studies

Ingredients

IngredientAmount per serving
Vitamin A
650 mcg RAE
Vitamin C
30 mg
Vitamin D3
30 mcg
Vitamin E
20 mg
Vitamin K2
30 mcg
Thiamine
1.4 mg
Riboflavin
1.6 mg
Niacin
18 mg
Vitamin B6
2 mg
Folate
800 mcg DFE
Vitamin B12
2.8 mcg
Biotin
35 mcg
Pantothenic Acid
7 mg
Iron
18 mg
Iodine
145 mcg
Zinc
6.5 mg
Selenium
35 mcg
Copper
0.65 mg
Chromium
45 mcg
Docosahexaenoic Acid
100 mg
Gluten Free Kosher Dairy Free Pregnant Women 18–50
Report overview
Iron · 18 mg OverallScore84
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

The 18 mg iron dose uses ferrous bisglycinate, a well-absorbed form that is often gentler on the stomach. Folate and vitamin B12 support red blood cell needs, but the 30 mg of vitamin C falls short of the level set for stronger absorption support. One softgel is convenient, though the per-serving value is only average.

View ingredientView products
Iodine · 145 mcg OverallScore70
C Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB+ Value

The iodine amount is stated, but its unidentified source prevents a confident absorption assessment. The 145 mcg serving stays safe but falls slightly below the preferred daily-support range, with elemental intake clearly stated. Below-median serving cost creates good value for effective daily iodine support.

View ingredientView products
Copper · 0.65 mg OverallScore39
F Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyB+ Value

The copper compound is not disclosed, so absorption quality cannot be determined. The zinc-to-copper balance falls within the preferred range. A near-midpoint serving cost provides reasonable value within the broader formula.

View ingredientView products
Loading alternative details
88 Performance

Prenatal

Fairhaven Health
<p>Methylfolate, methylcobalamin, iron, iodine, and copper create stronger prenatal nutrient coverage with clearly named forms. DHA is not listed, so a separate source would be needed to match that part of the original.</p>
82 Performance

Thyroid Energy

NOW
<p>Methylcobalamin, potassium iodide, chelated copper, selenium, zinc, and tyrosine provide a more targeted energy and metabolism profile. It is not a complete prenatal multivitamin and lacks both iron and DHA, which limits direct substitution.</p>
78 Performance

Multi with Iron Century Formula

Swanson
<p>A broad mineral profile includes more iron, iodine, and copper than the original, along with a fuller set of daily vitamins. DHA is missing and several minerals use basic forms, but the nutrient coverage is more complete for general use.</p>
73 Budget

Children's Chewable Complete Multivitamin

Equate
<p>Broad vitamin and mineral coverage includes iron, iodine, and copper at a low serving cost. It is formulated as a children’s chewable and does not list DHA, so suitability depends on the intended user.</p>
78 Budget

Prenatal Multivitamin/Multimineral with Folate

Spring Valley
<p>A prenatal-focused formula supplies folate, iron, iodine, zinc, and core vitamins at very low serving cost. It provides more iron and folate than the original but omits DHA and does not list copper.</p>
80 Budget

One Daily Women's

21st Century
<p>Iron, iodine, copper, vitamin D3, and a broad vitamin base offer economical daily coverage. The formula lacks DHA and uses several basic forms, so it is less specialized than the original.</p>
79 Value

Prenatal Multi + DHA

Nature Made
<p>Iron, iodine, folate, vitamin D3, and fish oil preserve the original’s prenatal and DHA logic at lower serving cost. Copper is not listed and the omega-3 breakdown is incomplete, but the overall nutrient coverage is strong for the value.</p>
75 Value

Women's Petites

Bayer One A Day Women's
<p>Iron, iodine, copper, folate, and a broad vitamin profile provide useful daily coverage in a lower-cost format. It lacks DHA and most chemical forms are unspecified, so the value comes from breadth rather than ingredient refinement.</p>
81 Value

Sentry Women

21st Century
<p>Iron, iodine, copper, folate, vitamin D3, and B vitamins give broad coverage at low serving cost. DHA is absent and several mineral forms are basic, but the formula offers more economical general nutrition.</p>
Report alternatives

Sources

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

  1. Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
    Devanarayan P; Hartman M; Partin M · Family medicine and community health · 2026
    Cohort study10,882 participantsEnergy forIodine
  2. Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
    Hughes DT; Reyes-Gastelum D; Kovatch KJ; Hamilton AS; Ward KC; Haymart MR · Surgery · 2020
    Cohort study2,584 participantsEnergy forIodine
  3. Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
    Gültekin A; Kahraman MY; Şengöz T; Şimşek FS · Head & neck · 2026
    Cross-sectional study202 participantsEnergy forIodine
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. Effect of Vitamin D Supplementation on Fatigue in Multiple Sclerosis: A Systematic Review and Meta-Analysis.
    López-Muñoz P; Torres-Costoso AI; Fernández-Rodríguez R; Guzmán-Pavón MJ; de Arenas-Arroyo SN; Basco-López JÁ; Reina-Gutiérrez S · Nutrients · 2023
    Meta-analysis345 participants5 studies pooledEnergy forVitamin D
  10. Vitamin D Supplementation in Adolescents and Young Adults With Juvenile Systemic Lupus Erythematosus for Improvement in Disease Activity and Fatigue Scores: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Lima GL; Paupitz J; Aikawa NE; Takayama L; Bonfa E; Pereira RM · Arthritis care & research · 2016
    Randomized trial40 participantsEnergy forVitamin D
  11. Vitamin D in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome After COVID-19 or Vaccination: A Randomized Controlled Trial.
    Kodama S; Nakata M; Konishi N; Yoshino M; Fujisawa A; Naganuma M; Kobayashi Y; Hirai Y; Kitagawa A; Miyokawa M; Mishima R; Teramukai S; Fukushima M · Nutrients · 2026
    Randomized trial91 participantsEnergy forVitamin D
  12. The effects of vitamin D supplementation on disease activity and fatigue in Libyan rheumatoid arthritis patients.
    Elfituri S · Reumatologia · 2024
    Randomized trial68 participantsEnergy forVitamin D
  13. The effect of home-based aerobic training and vitamin D supplementation on fatigue and quality of life in patients with multiple sclerosis during COVID-19 outbreak.
    Bahmani E; Hoseini R; Amiri E · Science & sports · 2022
    Randomized trial40 participantsEnergy forVitamin D
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. Iodine supplementation improves cognition in iodine-deficient schoolchildren in Albania: a randomized, controlled, double-blind study.
    Zimmermann MB; Connolly K; Bozo M; Bridson J; Rohner F; Grimci L · The American journal of clinical nutrition · 2006
    Randomized trial310 participantsMental Focus forIodine
  34. Iodine intake from supplements and diet during pregnancy and child cognitive and motor development: the INMA Mother and Child Cohort Study.
    Murcia M; Espada M; Julvez J; Llop S; Lopez-Espinosa MJ; Vioque J; Basterrechea M; Riaño I; González L; Alvarez-Pedrerol M; Tardón A; Ibarluzea J; Rebagliato M · Journal of epidemiology and community health · 2019
    Cohort study1,803 participantsMental Focus forIodine
  35. Breastfeeding and maternal and infant iodine nutrition.
    Azizi F; Smyth P · Clinical endocrinology · 2009
    Systematic review36 studies pooledMental Focus forIodine
  36. Preconception Maternal Iodine Status Is Positively Associated with IQ but Not with Measures of Executive Function in Childhood.
    Robinson SM; Crozier SR; Miles EA; Gale CR; Calder PC; Cooper C; Inskip HM; Godfrey KM · The Journal of nutrition · 2019
    Cohort study654 participantsMental Focus forIodine
  37. Iodine deficiency: consequences and progress toward elimination.
    Maberly GF; Haxton DP; van der Haar F · Food and nutrition bulletin · 2006
    Narrative reviewMental Focus forIodine
  38. 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 participantsMental Focus Productivity Boost forIron
  39. Cognitive Performance in Indian School-Going Adolescents Is Positively Affected by Consumption of Iron-Biofortified Pearl Millet: A 6-Month Randomized Controlled Efficacy Trial.
    Scott SP; Murray-Kolb LE; Wenger MJ; Udipi SA; Ghugre PS; Boy E; Haas JD · The Journal of nutrition · 2019
    Randomized trial140 participantsMental Focus forIron
  40. Effects of iron supplementation twice a week on attention score and haematologic measures in female high school students.
    Rezaeian A; Ghayour-Mobarhan M; Mazloum SR; Yavari M; Jafari SA · Singapore medical journal · 2015
    Randomized trial200 participantsMental Focus forIron
  41. Randomised study of cognitive effects of iron supplementation in non-anaemic iron-deficient adolescent girls.
    Bruner AB; Joffe A; Duggan AK; Casella JF; Brandt J · Lancet (London, England) · 1996
    Randomized trial81 participantsMental Focus forIron
  42. Effect of iron supplementation on cognition in Greek preschoolers.
    Metallinos-Katsaras E; Valassi-Adam E; Dewey KG; Lönnerdal B; Stamoulakatou A; Pollitt E · European journal of clinical nutrition · 2005
    Randomized trial49 participantsMental Focus forIron
  43. 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
  44. 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
  45. 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
  46. 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