SuppRankedWhey Protein market on Amazon
Whey Protein products on Amazon bring in an estimated $21.1M/mo (~397K units) across the 82 products from 57 brands we track. Optimum Nutrition leads with about 11% of estimated sales and the top 3 brands hold 29%, a fragmented market.
Brand share Share of est. revenue · top 10
Track the Whey Protein market
Weekly brand ranks and changes, or every brand as a CSV.
Whey Protein brand leaderboard By est. revenue/mo
Plus 27 more brands. Full list for every brand: SuppRanked Data.
Rising brands Overall rank, like-for-like vs the previous day · how
Top Whey Protein products By est. revenue/mo
As an Amazon Associate SuppRanked earns from qualifying purchases.
Whey Protein market FAQ
How big is the Whey Protein market on Amazon?
About $21.1M a month in estimated Amazon.com sales at list price (~397K units), summed across the 82 Whey Protein products SuppRanked tracks in Amazon's supplement Best Sellers lists. Products outside those lists are not counted, so treat it as a floor and an order-of-magnitude figure. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 16, 2026), not official Amazon sales data.
Which brands lead the Whey Protein market on Amazon?
Optimum Nutrition leads with about 11% of estimated sales (~$2.3M/mo). The top 3 (Optimum Nutrition, Isopure, Transparent Labs) hold about 29% and the top 10 about 60%.
How many Whey Protein brands sell on Amazon?
We count 57 identified brands with at least one Whey Protein product in the lists we track, as of October 16, 2026. A product counts when its title names Whey Protein as its main ingredient or form; see the methodology.
Updated October 16, 2026. A product counts when its title names Whey Protein as its main ingredient or form; a product can count in more than one market. Methodology · All 60 markets