Optimum Nutrition Gold Standard 100% Whey uses pure whey protein isolate as the primary ingredient. Combined with ultra-filtered whey protein concentrate, each serving provides 24 grams of all-whey protein and 5.5 grams of naturally occurring BCAAs, prized by athletes for muscle-building support. Whey protein isolate is our primary ingredient and has had carbohydrates, fat, and lactose removed using advanced filtering technologies. The powder is also instantized for easy mixing. Made to our high standards, it contains no artificial flavors, sweeteners, or colors, helping make it the Gold Standard for protein quality. With more than 20 tempting flavors to choose from, Gold Standard 100% Whey offers plenty of ways to keep workout recovery interesting. Optimum Nutrition, part of the Glanbia global nutrition group, has been setting the Gold Standard in sports nutrition for over 30 years and owns and operates its own production facilities.