SuppRankedTop 10 whey protein brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's Whey Protein Best Sellers top 100. Updated October 15, 2026.
Optimum Nutrition is the top-selling whey protein brand on Amazon by estimated revenue, at about $2.2M/mo from 5 products in the Whey Protein Best Sellers top 100. That is about the same as #2 Isopure (~$2.1M/mo). The list is fragmented: the top 3 brands take about 24% of its estimated sales and the top 10 about 54%, spread across 63 brands in total. The median list price in this top 100 is $50.38. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Optimum Nutrition9% share · best #1 | $2.2M |
| 2 | Isopure9% share · best #9 | $2.1M |
| 3 | Dymatize6% share · best #2 | $1.5M |
| 4 | Transparent Labs6% share · best #3 | $1.4M |
| 5 | Nutricost6% share · best #14 | $1.4M |
| 6 | Ascent4% share · best #12 | $1.1M |
| 7 | NAKED4% share · best #4 | $1.1M |
| 8 | Levels4% share · best #7 | $962K |
| 9 | RAW3% share · best #27 | $717K |
| 10 | Oath3% share · best #8 | $709K |
The top 10, brand by brand
1. Optimum Nutrition
~$2.2M/mo est. revenue (9% of this list) and ~40.6K units/mo from 5 products; best position #1. Its highest-ranked product here is Optimum Nutrition Gold Standard Whey Protein Powder, Vanilla Ice Cream, 2LB… at #1. Overall it ranks #13 of 935 brands.
2. Isopure
~$2.1M/mo est. revenue (9% of this list) and ~41.2K units/mo from 5 products; best position #9. Its highest-ranked product here is Isopure Zero Carb Whey Isolate Protein Powder, Creamy Vanilla 3 LB | 25g… at #9. Overall it ranks #54 of 935 brands.
3. Dymatize
~$1.5M/mo est. revenue (6% of this list) and ~36.5K units/mo from 3 products; best position #2. Its highest-ranked product here is Dymatize ISO100 Protein Powder, 100% Whey Isolate, Gourmet Vanilla | 25g… at #2. Overall it ranks #55 of 935 brands.
4. Transparent Labs
~$1.4M/mo est. revenue (6% of this list) and ~21.6K units/mo from 1 product; best position #3. Its highest-ranked product here is Transparent Labs Grass-Fed Whey Protein - 30 Servings, French Vanilla… at #3. Overall it ranks #32 of 935 brands.
5. Nutricost
~$1.4M/mo est. revenue (6% of this list) and ~19.1K units/mo from 3 products; best position #14. Its highest-ranked product here is Nutricost Whey Protein Concentrate Powder (Unflavored) 2LBS, Gluten Free… at #14. Overall it ranks #2 of 935 brands.
6. Ascent
~$1.1M/mo est. revenue (4% of this list) and ~13.2K units/mo from 2 products; best position #12. Its highest-ranked product here is Ascent 100% Whey, Native Whey Protein Blend - Clean Post Workout Recovery… at #12. Overall it ranks #111 of 935 brands.
7. NAKED
~$1.1M/mo est. revenue (4% of this list) and ~17.1K units/mo from 3 products; best position #4. Its highest-ranked product here is NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient… at #4. Overall it ranks #29 of 935 brands.
8. Levels
~$962K/mo est. revenue (4% of this list) and ~16.6K units/mo from 1 product; best position #7. Its highest-ranked product here is Levels Whey Protein Powder, No Artificial Ingredients, Vanilla Bean, 2LB | 24G… at #7. Overall it ranks #147 of 935 brands.
9. RAW
~$717K/mo est. revenue (3% of this list) and ~9.1K units/mo from 3 products; best position #27. Its highest-ranked product here is Raw Grass Fed Whey Protein Powder, Unflavored – 1 Ingredient, No Additives or… at #27. Overall it ranks #133 of 935 brands.
10. Oath
~$709K/mo est. revenue (3% of this list) and ~18.3K units/mo from 2 products; best position #8. Its highest-ranked product here is Oath Nutrition Clear Whey Isolate Protein Powder, Frosty Lemonade, 20g Complete… at #8. Overall it ranks #135 of 935 brands.
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Full Whey Protein ranking
All 63 brands in the list, ordered by rank strength, plus the top 10 products.
See all Whey Protein brands →