SuppRankedTop 10 b2 (riboflavin) brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's B2 (Riboflavin) Best Sellers top 100. Updated October 15, 2026.
Nutricost is the top-selling b2 (riboflavin) brand on Amazon by estimated revenue, at about $975K/mo from 3 products in the B2 (Riboflavin) Best Sellers top 100. That is about 60% more than #2 Vita (~$611K/mo). The list is fragmented: the top 3 brands take about 27% of its estimated sales and the top 10 about 52%, spread across 64 brands in total. About 36% of the products are gummies. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Nutricost12% share · best #1 | $975K |
| 2 | Vita8% share · best #10 | $611K |
| 3 | Standard Process7% share · best #38 | $515K |
| 4 | ForestLeaf6% share · best #2 | $508K |
| 5 | THORNE5% share · best #8 | $364K |
| 6 | kindnature4% share · best #7 | $286K |
| 7 | Carlyle3% share · best #5 | $249K |
| 8 | Nature's Bounty3% share · best #3 | $198K |
| 9 | BulkSupplements2% share · best #39 | $184K |
| 10 | Seeking Health2% share · best #18 | $161K |
The top 10, brand by brand
1. Nutricost
~$975K/mo est. revenue (12% of this list) and ~71.1K units/mo from 3 products; best position #1. Its highest-ranked product here is Nutricost Vitamin B2 (Riboflavin) 400mg, 120 Capsules, Gluten Free | GMO-Free at #1. Overall it ranks #2 of 3,479 brands.
2. Vita
~$611K/mo est. revenue (8% of this list) and ~11.7K units/mo from 2 products; best position #10. Its highest-ranked product here is Vita Sciences Migravent Brain & Circulatory Wellness Support - 60 Capsules… at #10. Overall it ranks #361 of 3,479 brands.
3. Standard Process
~$515K/mo est. revenue (7% of this list) and ~10K units/mo from 3 products; best position #38. Its highest-ranked product here is Standard Process B Vitality with CoQ10, B Vitamins Supplement, 90 Capsules… at #38. Overall it ranks #51 of 3,479 brands.
4. ForestLeaf
~$508K/mo est. revenue (6% of this list) and ~30K units/mo from 1 product; best position #2. Its highest-ranked product here is ForestLeaf Vitamin B2 Riboflavin 400mg, 90 Vegetarian Capsules | High-Potency… at #2. Overall it ranks #105 of 3,479 brands.
5. THORNE
~$364K/mo est. revenue (5% of this list) and ~11.4K units/mo from 1 product; best position #8. Its highest-ranked product here is THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules… at #8. Overall it ranks #8 of 3,479 brands.
6. kindnature
~$286K/mo est. revenue (4% of this list) and ~12.5K units/mo from 1 product; best position #7. Its highest-ranked product here is kindnature Vitamin B2 Gummies - Riboflavin 400mg Supplement for Kids & Adults… at #7. Overall it ranks #336 of 3,479 brands.
7. Carlyle
~$249K/mo est. revenue (3% of this list) and ~24.9K units/mo from 2 products; best position #5. Its highest-ranked product here is Carlyle Vitamin B-2 400mg | 180 Count | B2 Riboflavin | Non-GMO, Gluten Free… at #5. Overall it ranks #5 of 3,479 brands.
8. Nature's Bounty
~$198K/mo est. revenue (3% of this list) and ~22.6K units/mo from 1 product; best position #3. Its highest-ranked product here is Nature's Bounty Vitamin B-2 100mg, 100 Tablets | Riboflavin Supplement, Aids… at #3. Overall it ranks #6 of 3,479 brands.
9. BulkSupplements
~$184K/mo est. revenue (2% of this list) and ~8.8K units/mo from 3 products; best position #39. Its highest-ranked product here is BulkSupplements.com Riboflavin Powder - as Vitamin B2, Vitamin B2 Supplement… at #39. Overall it ranks #9 of 3,479 brands.
10. Seeking Health
~$161K/mo est. revenue (2% of this list) and ~6.4K units/mo from 1 product; best position #18. Its highest-ranked product here is Seeking Health Riboflavin (B2) 400 mg, 60 Vegetarian Capsules | Supports… at #18. Overall it ranks #177 of 3,479 brands.
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Full B2 (Riboflavin) ranking
All 64 brands in the list, ordered by rank strength, plus the top 10 products.
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