Top 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 $5.9M/mo from 17 products in the Ready-to-Drink Protein Best Sellers top 100. That is about 4.5× as much as #2 Premier Protein (~$1.3M/mo). The list is fairly concentrated: the top 3 brands take about 45% of its estimated sales and the top 10 about 71%, spread across 50 brands in total. All figures are modeled estimates, not Amazon data.

#BrandEst. revenue/moShare of listEst. units/moProductsBest rank
1Ensure32% share · best #1$5.9M32%176K17#1
2Premier Protein7% share · best #17$1.3M7%44.2K6#17
3Muscle Milk7% share · best #2$1.2M7%40.9K7#2
4Atkins6% share · best #3$1M6%49.5K5#3
5Protein2o4% share · best #9$800K4%26K3#9
6Frog Fuel4% share · best #11$720K4%15K1#11
7Jocko Fuel4% share · best #7$675K4%15K1#7
8Glucerna3% share · best #39$599K3%13.3K4#39
9Dymatize3% share · best #12$510K3%15K1#12
10OWYN3% share · best #20$499K3%10.7K3#20
Estimates, not Amazon data. Modeled from public Best Sellers ranks and list prices; not profit. How it works

The top 10, brand by brand

1. Ensure

~$5.9M/mo est. revenue (32% of this list) and ~176K 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 #46 of 3,479 brands.

2. Premier Protein

~$1.3M/mo est. revenue (7% of this list) and ~44.2K 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 #89 of 3,479 brands.

3. Muscle Milk

~$1.2M/mo est. revenue (7% of this list) and ~40.9K 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 #77 of 3,479 brands.

4. Atkins

~$1M/mo est. revenue (6% of this list) and ~49.5K 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 #80 of 3,479 brands.

5. Protein2o

~$800K/mo est. revenue (4% of this list) and ~26K 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 #252 of 3,479 brands.

6. Frog Fuel

~$720K/mo est. revenue (4% of this list) and ~15K units/mo from 1 product; best position #11. Its highest-ranked product here is Frog Fuel Power Liquid Protein Shot, 15g Protein, Berry, 24 pk | Nano… at #11. Overall it ranks #339 of 3,479 brands.

7. Jocko Fuel

~$675K/mo est. revenue (4% of this list) and ~15K 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 #81 of 3,479 brands.

8. Glucerna

~$599K/mo est. revenue (3% of this list) and ~13.3K 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 #227 of 3,479 brands.

9. Dymatize

~$510K/mo est. revenue (3% of this list) and ~15K units/mo from 1 product; best position #12. Its highest-ranked product here is Dymatize 30g High Protein Performance Shake, Fruity Pebbles, 12 Pack | 6.2g… at #12. Overall it ranks #78 of 3,479 brands.

10. OWYN

~$499K/mo est. revenue (3% of this list) and ~10.7K units/mo from 3 products; best position #20. Its highest-ranked product here is OWYN Only What You Need 32g Chocolate Flavored Protein Shake, 12 Ct | 32g… at #20. Overall it ranks #299 of 3,479 brands.

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