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), amino acids that are prized by athletes for their muscle building qualities. Whey protein isolate is our primary ingredient, which has had carbohydrates, fat, and lactose isolated out using sophisticated filtering technologies. The powder is also instantized for mixing. The fact that we formulated this easy-to-mix powder with our high standards—meaning there are no artificial flavors, sweeteners, or colors—makes it the Gold Standard for protein quality. With more than 20 tempting flavors to choose from, Gold Standard 100% Whey gives you plenty of ways to keep workout recovery interesting. This protein powder drink mix comes in a tasty flavor. Get the whey protein you need with Optimum Nutrition’s whey protein powder. Optimum Nutrition is part of the Glanbia global nutrition group and has been setting the Gold Standard in sports nutrition for more than 30 years — helping performance-focused athletes achieve their goals. We are proud to say that we are one of the few sports nutrition companies who own and operate our own production facilities. We take as much pride and care in crafting our award-winning supplements as our consumers do with crafting their fitness accomplishments.