Help build lean muscle with Optimum Nutrition's Gold Standard 100% Whey. This protein powder drink mix uses pure whey protein 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. Along with essential amino acids, this whey protein powder also includes vitamins C and A. With more than 20 flavors to choose from, it can be easily mixed into your favorite beverage. Help build and maintain muscle with protein from a brand that has set the Gold Standard in sports nutrition for more than 30 years. Optimum Nutrition is part of the Glanbia global nutrition group and proudly owns and operates its own production facilities.