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Blood Builder

4.6
★ ★ ★ ★ ★
(49011 ratings)
Iron 26 mg
Product Image
Score81
Iron, folate, vitamin B12, vitamin C, and beet create a rounded blood-support formula. The exact iron compound remains unclear and vitamin C is supplied in only a modest amount.
How scoring works
Tablet
Quantity:90 Tablet(s) • (90 servings)
Goals:
Energy
Hair Health
Productivity Boost

Score 81

Iron, folate, vitamin B12, vitamin C, and beet create a rounded blood-support formula. The exact iron compound remains unclear and vitamin C is supplied in only a modest amount.
How scoring works

Also available as

2 options
60 servings Iron 26 mg • 60 Tablet(s) • 60 servings $23.49 ($0.39 per serving) 30 servings Iron 26 mg • 30 Tablet(s) • 30 servings $13.99 ($0.46 per serving)
$28.99($0.32 per serving)
iHerb
$ 28.99
Vitacost
$ 30.65
Amazon
$ 28.99
Walmart
$ 28.99
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Analysis

food-fermented yeast-derived iron supplies 26 mg of iron in one tablet. Iron, folate, vitamin B12, vitamin C, and beet create a rounded blood-support formula.

The serving may help energy and hair when iron is low, while the cofactors support blood-cell production. The ninety-serving bottle improves continuity and serving value compared with smaller versions.

The exact iron compound remains unclear and vitamin C is supplied in only a modest amount. Iron status and the reason for supplementation should guide duration and dose.

Who is it for
  • Adults with confirmed low iron
  • People seeking a larger bottle of a broad formula
  • Users who want folate and vitamin B12 with iron
Best for
  • Longer-term monitored iron support
  • Broad blood-building nutrients
  • One-tablet convenience

Pros

  • Meaningful 26 mg iron serving
  • Includes folate and vitamin B12
  • Adds vitamin C and beet
  • Larger ninety-serving bottle

Cons

  • Specific iron compound is not disclosed
  • Vitamin C amount is modest
  • Broader formula costs more than basic chelates

Warnings

  • The 26 mg iron amount may cause nausea, constipation, or dark stools.
  • Use iron for a confirmed need; unnecessary intake can accumulate, particularly in people with hemochromatosis or other iron-overload conditions.
  • Iron can reduce absorption of levothyroxine and some tetracycline or quinolone antibiotics, so separate doses as directed by a pharmacist.
  • Keep iron supplements away from children because accidental ingestion can cause serious iron poisoning.

Nutrient quality

87 Highest impact

Meaningful iron and blood-forming cofactors provide strong targeted support. Modest vitamin C and the need for demonstrated iron status are the main trade-offs.

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Ingredient transparency

79 High impact

Active amounts are clear and no proprietary blend hides doses. Intake directions and non-active ingredients were not included in the supplied details.

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Customer satisfaction

72 High impact

The available satisfaction metric is favorable and the sample provides useful confidence. Specific experience details are absent, so repeated complaints and purpose fit remain uncertain.

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Value for money

86 Highest impact

Meaningful actives and a practical serving cost support good value. A few modest extras keep it from leading on efficiency.

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Report analysis

Goals

Energy
Energy
Impact
Highest effect
A Goal FitA Strength of SupportB CoverageA- Formula Quality
Vitamin B12 · 30 mcgIron · 26 mg

Food-fermented iron directly supports oxygen transport when iron status is low, while folate and vitamin B12 support red blood cell formation. The disclosed iron amount is substantial and the one-tablet serving is straightforward.

The formula is most relevant for people with a plausible or confirmed iron need rather than anyone seeking a stimulant-like lift. Iron at 26 mg can cause digestive discomfort and is not appropriate for routine use when extra iron is unnecessary.

Study evidence
Iron Supportive 74 studies
Hair Health
Hair Health
Impact
High effect
B- Goal FitB+ Strength of SupportB- CoverageA- Formula Quality
Iron · 26 mgVitamin C · 15 mg

Iron, folate, and vitamin B12 may help hair recovery when low iron stores are driving shedding. The substantial iron serving is paired with nutrients that support red-blood-cell production.

People with adequate iron are unlikely to gain a hair benefit from routine supplementation. The 26 mg iron amount may cause constipation or nausea and is unsuitable for unmonitored long-term use in people at risk of iron overload.

Study evidence
Folate Mixed 15 studies
Iron Disputed 25 studies
Vitamin C Mixed 5 studies
Productivity Boost
Productivity Boost
Impact
High effect
C+ Goal FitB+ Strength of SupportC CoverageA- Formula Quality
Iron · 26 mgVitamin B12 · 30 mcgVitamin B12 · 30 mcg

Iron, folate, and vitamin B12 may improve energy and work capacity when low iron status is causing fatigue. They are unlikely to boost productivity meaningfully when iron status is already adequate.

Food-fermented iron provides a substantial amount with a compact supporting formula, although vitamin C is too low to offer strong absorption help. Iron can cause nausea or constipation and should not be used at this amount without a demonstrated need because excess iron can be harmful.

Study evidence
Iron Supportive 69 studies

Ingredients

IngredientAmount per serving
Vitamin C
15 mg
Folate
680 mcg DFE
Vitamin B12 (Cyanocobalamin)
 30 mcg
Iron (S. cerevisiae)
 26 mg
Beet
125 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Iron (S. cerevisiae) · 26 mg OverallScore79
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

Food-fermented iron offers an effective amount with good tolerance potential. One-tablet dosing is convenient, while vitamin C remains below the target for absorption support. The larger package improves serving cost, though value remains average rather than exceptional.

View ingredientView products
Loading alternative details
85 Performance

Iron Complex

Advanced Nutrition by Zahler
Ferrochel iron is paired with vitamin C, methylcobalamin, folic acid, and histidine, giving broader disclosed support for energy and hair goals. Its iron amount stays close to the original’s 26 mg. The added nutrients make it less minimal than a single-ingredient iron product.
87 Performance

Vegan True Iron Support

Source Naturals
Ferrochel bisglycinate iron is combined with vitamin C, folic acid, and vitamin B12, with strong iron and energy alignment. Its iron amount stays close to the original’s 26 mg. Cyanocobalamin and folic acid are clearly listed, although other forms may be preferred by some users.
86 Performance

Chelated Iron 18 mg

Bluebonnet
The concise formula uses a clearly identified ferrous bisglycinate chelate and avoids unrelated active ingredients. Its iron amount is lower than the original’s 26 mg. The simpler amount may suit users who do not need a higher-dose or multi-ingredient formula.
77 Budget

Iron 65 mg

Nature Made
The lower serving cost provides a clearly identified ferrous sulfate form. Its iron amount is higher than the original’s 26 mg. The single-active formula leaves out the original’s other listed ingredients.
85 Budget

Iron 25 mg

Source Naturals
The lower serving cost provides iron as an explicitly named amino acid chelate. Its iron amount stays close to the original’s 26 mg. The single-active formula leaves out the original’s other listed ingredients.
85 Budget

Iron Ferrochel Ferrous Bisglycinate Chelate 36 mg

California Gold Nutrition
The lower serving cost provides iron as a clearly identified Ferrochel ferrous bisglycinate chelate. Its iron amount is higher than the original’s 26 mg. The single-active formula leaves out the original’s other listed ingredients.
86 Value

High Absorption Iron with Ferrochel 27 mg

Doctor's Best
The lower serving cost provides a focused Ferrochel iron formula with favorable iron and hair-goal alignment. Its iron amount stays close to the original’s 26 mg. The single-active formula leaves out the original’s other listed ingredients.
80 Value

Iron 27 mg

21st Century
The lower serving cost provides ferrous gluconate iron with a disclosed calcium amount. Its iron amount stays close to the original’s 26 mg. The added calcium makes it less minimal than a single-ingredient iron option.
78 Value

Prenatal Multivitamin/Multimineral with Folate

Spring Valley
The lower serving cost provides iron alongside folate, vitamin C, vitamin D3, zinc, and other prenatal nutrients. Its iron amount stays close to the original’s 26 mg. The iron form is not supplied, and the prenatal focus may be unnecessary for someone seeking iron alone.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. Intravenous iron for the treatment of fatigue in nonanemic, premenopausal women with low serum ferritin concentration.
    Krayenbuehl PA; Battegay E; Breymann C; Furrer J; Schulthess G · Blood · 2011
    Randomized trial90 participantsEnergy forIron
  4. 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
  5. Maternal Fatigue after Postpartum Anemia Treatment with Intravenous Ferric Carboxymaltose vs. Intravenous Ferric Derisomaltose vs. Oral Ferrous Sulphate: A Randomized Controlled Trial.
    Bombač Tavčar L; Hrobat H; Gornik L; Preložnik Zupan I; Vidmar Šimic M; Pečlin P; Kavšek G; Lučovnik M · Journal of clinical medicine · 2024
    Randomized trial300 participantsEnergy forIron
  6. 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
  7. Iron plays a certain role in patterned hair loss.
    Park SY; Na SY; Kim JH; Cho S; Lee JH · Journal of Korean medical science · 2014
    Case-control study420 participantsHair Health forIron
  8. Iron status in diffuse telogen hair loss among women.
    Moeinvaziri M; Mansoori P; Holakooee K; Safaee Naraghi Z; Abbasi A · Acta dermatovenerologica Croatica : ADC · 2010
    Case-control study60 participantsHair Health forIron
  9. Low iron stores: a risk factor for excessive hair loss in non-menopausal women.
    Deloche C; Bastien P; Chadoutaud S; Galan P; Bertrais S; Hercberg S; de Lacharrière O · European journal of dermatology : EJD · 2008
    Cross-sectional study5,110 participantsHair Health forIron
  10. A Hospital-based Study to Determine Causes of Diffuse Hair Loss in Women.
    Malkud S · Journal of clinical and diagnostic research : JCDR · 2015
    Observational study180 participantsHair Health forIron
  11. Scientific Opinion on the substantiation of a health claim related to iron and maintenance of normal hair growth pursuant to Article 13(5) of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusHair Health forIron
  12. 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 forIron Hair Health forFolate
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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