Optimum Nutrition Gold Standard 100% Whey in Double Rich Chocolate flavor provides 24 grams of whey protein to support muscle growth while delivering a delicious taste. After working out, your body needs protein to repair and rebuild muscle fibers. Each tasty serving contains 24 grams of high-quality whey protein and 5.5 grams of naturally occurring BCAAs, all with just 1 gram of fat and 1.2 grams of sugar.