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 $454K/mo from 3 products in the B2 (Riboflavin) Best Sellers top 100. That is about 78% more than #2 ForestLeaf (~$254K/mo). The list is fairly concentrated: the top 3 brands take about 40% of its estimated sales and the top 10 about 59%, 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 | Nutricost21% share · best #1 | $454K |
| 2 | ForestLeaf12% share · best #2 | $254K |
| 3 | Vita7% share · best #10 | $146K |
| 4 | THORNE4% share · best #8 | $87K |
| 5 | kindnature3% share · best #7 | $68K |
| 6 | Carlyle3% share · best #5 | $59K |
| 7 | Standard Process3% share · best #38 | $59K |
| 8 | Nature's Bounty2% share · best #3 | $47K |
| 9 | BulkSupplements2% share · best #39 | $44K |
| 10 | Safgumjel2% share · best #13 | $38K |
The top 10, brand by brand
1. Nutricost
~$454K/mo est. revenue (21% of this list) and ~32.4K 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. ForestLeaf
~$254K/mo est. revenue (12% of this list) and ~15K 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 #99 of 3,479 brands.
3. Vita
~$146K/mo est. revenue (7% of this list) and ~2.8K 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 #464 of 3,479 brands.
4. THORNE
~$87K/mo est. revenue (4% of this list) and ~2.7K 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 #6 of 3,479 brands.
5. kindnature
~$68K/mo est. revenue (3% of this list) and ~3K 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 #411 of 3,479 brands.
6. Carlyle
~$59K/mo est. revenue (3% of this list) and ~5.9K 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 #8 of 3,479 brands.
7. Standard Process
~$59K/mo est. revenue (3% of this list) and ~1.3K 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 #121 of 3,479 brands.
8. Nature's Bounty
~$47K/mo est. revenue (2% of this list) and ~5.4K 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 #5 of 3,479 brands.
9. BulkSupplements
~$44K/mo est. revenue (2% of this list) and ~2.1K 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 #13 of 3,479 brands.
10. Safgumjel
~$38K/mo est. revenue (2% of this list) and ~1.9K units/mo from 1 product; best position #13. Its highest-ranked product here is Safgumjel Vitamin B2 400 mg Riboflavin Gummies, w/Magnesium & CoQ10-60 Cts… at #13. Overall it ranks #1173 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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