Blood Builder
Scored by the Formulate Research Team · Last reviewed May 2026
Overview: MegaFood Blood Builder
Clinically studied whole-food iron supplement that increases iron levels without nausea or constipation. Combines FoodState iron with vitamin C, folate, and B12 to support healthy red blood cell production and energy.
Score Breakdown
Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| IronFoodState nutrient | 26 mg |
| Vitamin CFoodState | 15 mg |
| FolateFoodState | 680 mcg DFE |
| Vitamin B12FoodState | 8 mcg |
Certifications & Testing
Other Ingredients
Microcrystalline Cellulose, Stearic Acid, Silica, Cellulose Coating
Recommended Use
Take 1 tablet daily. Can be taken any time of day, even on an empty stomach.
Warnings
Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
Frequently Asked Questions
What is MegaFood Blood Builder's Formulate score?
MegaFood Blood Builder scores 89 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
Is MegaFood Blood Builder worth it?
MegaFood Blood Builder scores 89/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in MegaFood Blood Builder?
Each serving contains Iron (26 mg), Vitamin C (15 mg), Folate (680 mcg DFE), Vitamin B12 (8 mcg). Serving size: 1 tablet. 60 servings per container.
How do I take blood builder?
Take 1 tablet daily. Can be taken any time of day, even on an empty stomach.
Who makes Blood Builder?
Blood Builder is made by MegaFood. See Formulate's full grade and product lineup for MegaFood on its brand page.
Is MegaFood Blood Builder third-party tested?
MegaFood lists the following certifications and testing for this product: Certified B Corp, Certified Gluten-Free, Non-GMO Project Verified, Vegetarian.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.