Optimum Nutrition vs Isopure: Amazon sales compared

Estimated Amazon revenue, units and category ranks for both brands, side by side. Updated October 15, 2026.

On Amazon, Optimum Nutrition brings in an estimated $6.9M/mo versus $2.3M/mo for Isopure, about 3.0× as much as its rival (modeled estimates, Oct 15, 2026). Optimum Nutrition also sells more units (~21K vs ~47.9K a month) across 14 ranked products to 7. They meet in 6 Best Sellers lists: Optimum Nutrition leads in 5 and Isopure in 1. Optimum Nutrition has the higher average rating (4.56 vs 4.40).

Head to head

MetricOptimum NutritionIsopure
Est. revenue/mo$6.9M$2.3M
Est. units/mo21K47.9K
Overall rank (score)#13#54
Rank by est. revenue#12#45
SuppRanked score73.958.6
Best-selling products147
Categories ranked in96
#1 category ranks20
Avg rating4.564.40
Total reviews226K102K
Gummy share0%0%

Shared categories Est. revenue/mo in each Best Sellers top 100 · best position

CategoryOptimum NutritionIsopureBest rank
Sports Nutrition$5.6M$1.9M#4 / #40
Diet & Sports Nutrition$5.6M$1.7M#5 / #60
Whey Protein$2.2M$2.1M#1 / #9
Protein$1.7M$1.9M#1 / #14
Creatine$2.2M$164K#3 / #93
Plant Protein$84K$33K#13 / #64

Top products

Estimates, not official Amazon data. Rankings and revenue are modeled from public Amazon Best Sellers lists and list prices (units × price, before returns, discounts and fees; not profit) and may differ from real sales. How it works.

FAQ

Which sells more on Amazon, Optimum Nutrition or Isopure?

By SuppRanked's estimates, Optimum Nutrition sells more: about $6.9M/mo in Amazon revenue versus $2.3M/mo for Isopure. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.

Who sells more sports nutrition on Amazon, Optimum Nutrition or Isopure?

In the Sports Nutrition Best Sellers top 100, Optimum Nutrition leads with ~$5.6M/mo estimated, against ~$1.9M/mo for Isopure. Estimates only.

More comparisons