Help build lean muscle with Optimum Nutrition Gold Standard 100% Whey. This protein powder drink mix uses pure whey protein as the primary ingredient, along with ultra-filtered protein concentrate. Each serving provides 24 grams of all-whey protein and 5.5 grams of naturally occurring branched chain amino acids (BCAAs), which are valued by athletes for muscle-building support. It also includes vitamin C and vitamin A. With more than 20 flavors to choose from, this protein powder can be easily mixed into your favorite beverage to support muscle-building and fitness goals. Optimum Nutrition, part of the Glanbia global nutrition group, has set the Gold Standard in sports nutrition for more than 30 years. The brand owns and operates its own production facilities and takes pride in crafting high-quality, award-winning supplements.