SuppRankedTop 10 b9 (folic acid) brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's B9 (Folic Acid) Best Sellers top 100. Updated October 15, 2026.
THORNE is the top-selling b9 (folic acid) brand on Amazon by estimated revenue, at about $1.1M/mo from 2 products in the B9 (Folic Acid) Best Sellers top 100. That is about the same as #2 MethylPro (~$983K/mo). The list is fairly concentrated: the top 3 brands take about 38% of its estimated sales and the top 10 about 64%, spread across 43 brands in total. About 12% of the products are gummies. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | THORNE15% share · best #2 | $1.1M |
| 2 | MethylPro13% share · best #14 | $983K |
| 3 | Carlyle10% share · best #4 | $740K |
| 4 | Nutricost7% share · best #7 | $478K |
| 5 | FolinicActive5% share · best #10 | $342K |
| 6 | Vitamatic4% share · best #6 | $281K |
| 7 | NOW Foods3% share · best #9 | $233K |
| 8 | Metagenics3% share · best #35 | $190K |
| 9 | Spectrum2% share · best #79 | $183K |
| 10 | Micro Ingredients2% share · best #19 | $179K |
The top 10, brand by brand
1. THORNE
~$1.1M/mo est. revenue (15% of this list) and ~35.3K units/mo from 2 products; best position #2. Its highest-ranked product here is THORNE 5-MTHF 1 mg, Active Methylfolate Vitamin B9 Supplement, 60 Capsules… at #2. Overall it ranks #8 of 3,479 brands.
2. MethylPro
~$983K/mo est. revenue (13% of this list) and ~24.2K units/mo from 6 products; best position #14. Its highest-ranked product here is MethylPro L-Methylfolate 15 mg - Active 5-MTHF MTHFR Supplement for Women & Men… at #14. Overall it ranks #540 of 3,479 brands.
3. Carlyle
~$740K/mo est. revenue (10% of this list) and ~32K units/mo from 4 products; best position #4. Its highest-ranked product here is Carlyle L Methylfolate 15mg | 120 Capsules | Value Size | Max Potency… at #4. Overall it ranks #5 of 3,479 brands.
4. Nutricost
~$478K/mo est. revenue (7% of this list) and ~33.9K units/mo from 5 products; best position #7. Its highest-ranked product here is Nutricost Folic Acid (Vitamin B9) 1000 mcg, 240 Capsules at #7. Overall it ranks #2 of 3,479 brands.
5. FolinicActive
~$342K/mo est. revenue (5% of this list) and ~13.4K units/mo from 2 products; best position #10. Its highest-ranked product here is FolinicActive Kids - Gentle Organic Folinic Acid + B12, B6 & B2 Cofactors | Age… at #10. Overall it ranks #880 of 3,479 brands.
6. Vitamatic
~$281K/mo est. revenue (4% of this list) and ~26.6K units/mo from 4 products; best position #6. Its highest-ranked product here is Vitamatic Folic Acid 1000 mcg (1 mg), 240 Vegetarian Tablets | Vitamin B9… at #6. Overall it ranks #20 of 3,479 brands.
7. NOW Foods
~$233K/mo est. revenue (3% of this list) and ~18.9K units/mo from 3 products; best position #9. Its highest-ranked product here is NOW Supplements, Methyl Folate 1000 mcg, Co-Enzyme B Vitamin, 90 Tabs at #9. Overall it ranks #1 of 3,479 brands.
8. Metagenics
~$190K/mo est. revenue (3% of this list) and ~4K units/mo from 1 product; best position #35. Its highest-ranked product here is Metagenics MethylCare L-Methylfolate 5-MTHF & Methyl B12, 120 Capsules… at #35. Overall it ranks #69 of 3,479 brands.
9. Spectrum
~$183K/mo est. revenue (2% of this list) and ~2.3K units/mo from 1 product; best position #79. Its highest-ranked product here is Spectrum Awakening Super Folinic Acid High Dose Powder | Leucovorin | Supports… at #79. Overall it ranks #760 of 3,479 brands.
10. Micro Ingredients
~$179K/mo est. revenue (2% of this list) and ~9.2K units/mo from 2 products; best position #19. Its highest-ranked product here is Micro Ingredients L Methylfolate 15mg, 240 Softgels | Active 5-MTHF with B6 &… at #19. Overall it ranks #10 of 3,479 brands.
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Full B9 (Folic Acid) ranking
All 43 brands in the list, ordered by rank strength, plus the top 10 products.
See all B9 (Folic Acid) brands →