Optimum Nutrition's 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 branched chain amino acids (BCAAs), prized by athletes for their muscle-building qualities. Whey protein isolate, our primary ingredient, has had carbohydrates, fat, and lactose removed using sophisticated filtering technologies. The powder is also instantized for easy mixing. Made with high standards, it contains no artificial flavors, sweeteners, or colors. 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 more than 30 years.