MegaFood Blood Builder Iron Supplement, Energy Support, Vegan, 90 Tablets Review

MegaFood Blood Builder is presented as an iron supplement that was shown in an 8-week clinical trial to increase iron levels with no GI side effects such as nausea or constipation. The page states it is made with high-absorption Iron Bisglycinate and includes Vitamin C for absorption. The product is positioned as supporting red blood cell production: the page says these iron supplements for women include Folic Acid and B12 to help maintain red blood cell production, delivering 26 mg of Iron per serving to combat fatigue and improve energy levels, with B Vitamins said to support energy metabolism. The formula is described as gentle and effective and usable as iron tablets for women, menstruating women, vegans, vegetarians, athletes, and recent blood donors. Flexible dosage is described: take one tablet any time of day with a beverage, even on an empty stomach, suitable for vegan diets, and not intended for children. The page says it is a daily dietary supplement made for adults to take by mouth with water at home or on the go. Quality claims state the product was tested for 150 chemical substances, is Non-GMO Project verified, vegan, and kosher, and is made without gluten, dairy, eggs, tree nuts, peanuts, soy, fish, shellfish or sesame in a GMP facility. The page lists a size selector with a 90 Count (Pack of 1) option priced at $36.99 and a 30 Count option at $21.49. The page also carries a general disclaimer that manufacturers may alter ingredient lists, that information has not been evaluated by the Food and Drug Administration, and that the content is not intended to diagnose, treat, cure, or prevent any disease. No written customer reviews or star ratings appear in the scraped text.

Product Focus: Focus and MemoryAlso covers:BrainRanked among:Nitric oxide supplements
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$12

Study, Trial or Testing Result Summary

MembersHuman studies

7 of these 179 human studies gave the ingredient by drip or injection, not by mouth.

Folate is the only ingredient here near a studied dose. For thinking, the results are . …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Review Totals and Summary

Members8,553 reviews
8,553 reviews · Wholefoodsmarket 6,799 · Megafood 1,064 · Walgreens 690

This MegaFood Blood Builder Iron Supplement receives feedback from customers, with a notable portion reporting outcomes, while others express disappointment regarding its effectiveness. This summary focuses specifically on the tablet form of the product, excluding reviews pertaining to other forms or delivery issues, such as non-receipt of items or incorrect product delivery. **What it did for them:** users report , particularly highlighting that the supplement is notably gentle on the stomach, a common with other iron products. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Biohacker Summary

MembersWhat our biohacker panel says

Those who it prefer methylfolate, the active form the body can use directly, over synthetic folic acid, and one panelist said it with hearing in older people. Their reasons include mitochondrial function, homocysteine, and brain for mothers and babies during pregnancy, with one suggesting it ideally comes from a prenatal vitamin for women preparing for IVF. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

RAL Summary

MembersThe tier and why

The studies offer at support for thinking, mainly in people who are in iron or folate. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Blood, Nervous system. Combine with and possible side are for members.

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Supplement Facts

Vitamin C 15 mg · Folate 680 mcg DFE · Vitamin B12 30 mcg
Supplement Facts
Serving Size 1 Tablet
Servings Per Container 90
Amount Per Serving% Daily Value
Vitamin C (as ascorbic acid)15 mg17%
Folate (as folic acid)680 mcg DFE170%
Vitamin B12 (as cyanocobalamin)30 mcg1250%
Iron (as fermented iron bisglycinate)26 mg144%
Organic Beet Root125 mg†
Food Blend30 mg†
† Daily Value not established.

Other ingredients: Ferment media (rice protein, autolyzed yeast extract, organic brown rice, yeast [inactive]), rice protein, autolyzed yeast, stearic acid, silicon dioxide, hypromellose.

Directions: 1 tablet daily. May be taken anytime throughout the day, even on an empty stomach.

Label source: Megafood · Report a label change

Where to Buy

Wholefoodsmarket
WholefoodsmarketBuy ↗

We sell no supplements. Prices change; check the store.

More focus and memory products

MembersThe highest ranked for the same goal

Read more

Our articles on this subject

Graded October 28, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.