SuppRankedTop 10 ready-to-drink protein brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's Ready-to-Drink Protein Best Sellers top 100. Updated October 15, 2026.
Ensure is the top-selling ready-to-drink protein brand on Amazon by estimated revenue, at about $4.4M/mo from 17 products in the Ready-to-Drink Protein Best Sellers top 100. That is about 2.2× as much as #2 Muscle Milk (~$2M/mo). The list is fairly concentrated: the top 3 brands take about 40% of its estimated sales and the top 10 about 64%, spread across 50 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Ensure23% share · best #1 | $4.4M |
| 2 | Muscle Milk11% share · best #2 | $2M |
| 3 | Atkins6% share · best #3 | $1.1M |
| 4 | Premier Protein5% share · best #17 | $934K |
| 5 | Protein2o4% share · best #9 | $713K |
| 6 | Labrada3% share · best #6 | $649K |
| 7 | Glucerna3% share · best #39 | $646K |
| 8 | Jocko Fuel3% share · best #7 | $624K |
| 9 | Quest Nutrition3% share · best #10 | $572K |
| 10 | Nepro3% share · best #43 | $555K |
The top 10, brand by brand
1. Ensure
~$4.4M/mo est. revenue (23% of this list) and ~128K units/mo from 17 products; best position #1. Its highest-ranked product here is Ensure Max Protein Milk Chocolate Shake, 30g High Protein, 12 Pack | 30g… at #1. Overall it ranks #84 of 3,479 brands.
2. Muscle Milk
~$2M/mo est. revenue (11% of this list) and ~70K units/mo from 7 products; best position #2. Its highest-ranked product here is Muscle Milk Pro Liquid High Protein Shake, Chocolate, 11 Fl Oz (Pack of 12)… at #2. Overall it ranks #87 of 3,479 brands.
3. Atkins
~$1.1M/mo est. revenue (6% of this list) and ~51.8K units/mo from 5 products; best position #3. Its highest-ranked product here is Atkins Mocha Latte Iced Coffee Flavored High Protein Shake, 12 Count | 15g… at #3. Overall it ranks #117 of 3,479 brands.
4. Premier Protein
~$934K/mo est. revenue (5% of this list) and ~30.2K units/mo from 6 products; best position #17. Its highest-ranked product here is Premier Protein INDULGENCE 30g Shake, Decadent Dark Chocolate, 12 Pack… at #17. Overall it ranks #206 of 3,479 brands.
5. Protein2o
~$713K/mo est. revenue (4% of this list) and ~23.5K units/mo from 3 products; best position #9. Its highest-ranked product here is Protein2o Hydration Drink - 2-in-1 Liquid Clear Whey Protein Isolate and… at #9. Overall it ranks #495 of 3,479 brands.
6. Labrada
~$649K/mo est. revenue (3% of this list) and ~15.4K units/mo from 1 product; best position #6. Its highest-ranked product here is Labrada Lean Body Ready-to-Drink Chocolate Protein Shake, 40g Protein, Whey… at #6. Overall it ranks #414 of 3,479 brands.
7. Glucerna
~$646K/mo est. revenue (3% of this list) and ~14.4K units/mo from 4 products; best position #39. Its highest-ranked product here is Glucerna Hunger Smart Nutrition Shake to Support Blood Sugar Management… at #39. Overall it ranks #290 of 3,479 brands.
8. Jocko Fuel
~$624K/mo est. revenue (3% of this list) and ~13.9K units/mo from 1 product; best position #7. Its highest-ranked product here is Jocko Fuel High Protein Shakes, Chocolate, 12 fl oz | 12 Pack | 30G Grass Fed… at #7. Overall it ranks #133 of 3,479 brands.
9. Quest Nutrition
~$572K/mo est. revenue (3% of this list) and ~15.9K units/mo from 2 products; best position #10. Its highest-ranked product here is Quest Nutrition Chocolate Protein Shake, 45g Protein, 2g Sugar, 4g Net Carbs… at #10. Overall it ranks #64 of 3,479 brands.
10. Nepro
~$555K/mo est. revenue (3% of this list) and ~6.7K units/mo from 2 products; best position #43. Its highest-ranked product here is Nepro Renal Nutrition Shake for People on Dialysis, Vanilla, 24ct | 19 g… at #43. Overall it ranks #895 of 3,479 brands.
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Full Ready-to-Drink Protein ranking
All 50 brands in the list, ordered by rank strength, plus the top 10 products.
See all Ready-to-Drink Protein brands →