After our analysis, we came to the conclusion. Optimum Nutrition Performance Whey wins in this comparison and gains 8.3 VSR. Its rival EFX Sports Protein 6 gains 7.2 VSR. The rating was affected in the first place by the price of protein, thus 25 grams of pure protein of Optimum Nutrition Performance Whey going to cost you $ 0.83, as against $ 1.08 of EFX Sports Protein 6. One serving of Optimum Nutrition Performance Whey contains 22 grams protein as against 26 grams of EFX Sports Protein 6. At the same time, a serving of Optimum Nutrition Performance Whey costs $ 0.73, and a serving of EFX Sports Protein 6 costs $ 1.12.
The Optimum Nutrition Performance Whey composition contains minerals in an amount of 1 as against 1 in EFX Sports Protein 6.
Optimum Nutrition Performance Whey is available in 2 flavors. EFX Sports Protein 6 is available in 2 flavors.
Optimum Nutrition Performance Whey is produced in 2 sizes. EFX Sports Protein 6 has just one size, 38.4 oz.
We recommend buying Optimum Nutrition Performance Whey.