SuppRankedTop 10 weight gainers brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's Weight Gainers Best Sellers top 100. Updated October 15, 2026.
Optimum Nutrition is the top-selling weight gainers brand on Amazon by estimated revenue, at about $4.4M/mo from 2 products in the Weight Gainers Best Sellers top 100. That is about the same as #2 NAKED (~$4.2M/mo). The list is fragmented: the top 3 brands take about 32% of its estimated sales and the top 10 about 56%, spread across 55 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Optimum Nutrition12% share · best #2 | $4.4M |
| 2 | NAKED12% share · best #3 | $4.2M |
| 3 | Dymatize8% share · best #1 | $2.9M |
| 4 | Mutant7% share · best #4 | $2.6M |
| 5 | MuscleMeds4% share · best #11 | $1.5M |
| 6 | Nutricost3% share · best #23 | $1.1M |
| 7 | Ronnie3% share · best #28 | $1.1M |
| 8 | Rival3% share · best #17 | $972K |
| 9 | Nutrex3% share · best #8 | $940K |
| 10 | BSN2% share · best #12 | $916K |
The top 10, brand by brand
1. Optimum Nutrition
~$4.4M/mo est. revenue (12% of this list) and ~55.7K units/mo from 2 products; best position #2. Its highest-ranked product here is Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6LB… at #2. Overall it ranks #28 of 3,479 brands.
2. NAKED
~$4.2M/mo est. revenue (12% of this list) and ~52.8K units/mo from 2 products; best position #3. Its highest-ranked product here is NAKED Chocolate Mass Gainer - All Natural Weight Gainer Protein Powder - 8lb… at #3. Overall it ranks #57 of 3,479 brands.
3. Dymatize
~$2.9M/mo est. revenue (8% of this list) and ~70K units/mo from 2 products; best position #1. Its highest-ranked product here is Dymatize Super Mass Gainer, 52g Protein Powder, Gourmet Vanilla, 6 lb | 1280… at #1. Overall it ranks #106 of 3,479 brands.
4. Mutant
~$2.6M/mo est. revenue (7% of this list) and ~29K units/mo from 2 products; best position #4. Its highest-ranked product here is Mutant Mass Weight Gainer Protein Powder, Triple Chocolate, 15 lb at #4. Overall it ranks #478 of 3,479 brands.
5. MuscleMeds
~$1.5M/mo est. revenue (4% of this list) and ~20.9K units/mo from 3 products; best position #11. Its highest-ranked product here is MuscleMeds CARNIVOR Mass Gainer Beef Protein Isolate Shake, 50 Grams Protein… at #11. Overall it ranks #536 of 3,479 brands.
6. Nutricost
~$1.1M/mo est. revenue (3% of this list) and ~19.5K units/mo from 3 products; best position #23. Its highest-ranked product here is Nutricost Mass Gainer Powder (Cookies N Cream) 6.9 LBS, GMO-Free | 50 Grams of… at #23. Overall it ranks #2 of 3,479 brands.
7. Ronnie
~$1.1M/mo est. revenue (3% of this list) and ~16.5K units/mo from 3 products; best position #28. Its highest-ranked product here is Ronnie Coleman Signature Series King Mass XL Mass Gainer Protein Powder, Muscle… at #28. Overall it ranks #357 of 3,479 brands.
8. Rival
~$972K/mo est. revenue (3% of this list) and ~14.9K units/mo from 2 products; best position #17. Its highest-ranked product here is Rival Nutrition Clean Gainer Protein Powder (Soft Serve Vanilla, 5 lb) | High… at #17. Overall it ranks #753 of 3,479 brands.
9. Nutrex
~$940K/mo est. revenue (3% of this list) and ~21.5K units/mo from 3 products; best position #8. Its highest-ranked product here is Nutrex Research Anabol Hardcore Anabolic Activator, Muscle Builder and… at #8. Overall it ranks #74 of 3,479 brands.
10. BSN
~$916K/mo est. revenue (2% of this list) and ~11.8K units/mo from 1 product; best position #12. Its highest-ranked product here is BSN True-Mass Weight Gainer Protein Powder, Choc Milkshake, 16 SRV | Muscle… at #12. Overall it ranks #259 of 3,479 brands.
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Full Weight Gainers ranking
All 55 brands in the list, ordered by rank strength, plus the top 10 products.
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