SuppRankedBest-selling whey protein brands on Amazon
64 brands have products in the Amazon Best Sellers top 100 for Whey Protein. Ordered by how strongly each brand ranks in this list (higher positions and more products count more). List as of October 15, 2026.
Top 10 Whey Protein products
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Top 10 Whey Protein brands by revenue
Optimum Nutrition, Dymatize, Isopure and seven more, with each brand's estimated revenue share.
See the top 10 →Head-to-head comparisons
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Whey Protein brands on Amazon: FAQ
What is the best-selling whey protein brand on Amazon?
By estimated revenue, Optimum Nutrition is the best-selling whey protein brand on Amazon right now, at roughly $2.8M/mo from 5 products in the Whey Protein Best Sellers top 100 (best position #1). These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.
What is the #1 best-selling whey protein product on Amazon?
On October 15, 2026 the #1 product in Amazon's Whey Protein Best Sellers list was Optimum Nutrition Gold Standard Whey Protein Powder, Vanilla Ice Cream, 2LB | 24g 100% Whey Protein… from Optimum Nutrition, with an estimated 45K units and ~$2.2M in revenue per month. Ranks change hourly, so check Amazon for the live list.
How many whey protein brands are in Amazon's top 100?
64 distinct brands have at least one product in the Whey Protein top 100. The 10 biggest by estimated revenue account for about 57% of the list's estimated sales, and the top 3 for about 26%.
How much do the top whey protein products sell on Amazon?
We estimate the top 100 whey protein products together bring in about $24.9M a month at list price, before returns, discounts and fees. Treat it as an order-of-magnitude figure. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.
How are these rankings calculated?
We read the public Amazon Best Sellers list daily, match each product to its brand, estimate monthly units from Amazon's “bought in past month” badges and sales-rank curves, and multiply by list price. Full details are on the methodology page.