Optimum Nutrition's Gold Standard 100% Whey uses pure whey protein isolate as the primary ingredient. Whey protein isolate is our primary ingredient, which has had carbohydrates, fat, and lactose isolated out using sophisticated filtering technologies.
Optimum Nutrition's Gold Standard 100% Whey uses pure whey protein isolate as the primary ingredient. Whey protein isolate is our primary ingredient, which has had carbohydrates, fat, and lactose isolated out using sophisticated filtering technologies.