Help build lean muscle with Optimum Nutrition Gold Standard 100% Whey. This protein powder 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 BCAAs to support muscle-building and recovery. It also includes vitamin C and vitamin A. With more than 20 flavors to choose from, this protein powder mixes easily into your favorite beverage to support your fitness goals. Optimum Nutrition, part of the Glanbia global nutrition group, has been setting the Gold Standard in sports nutrition for more than 30 years. The brand owns and operates its own production facilities and is committed to crafting high-quality, award-winning supplements.