ON Optimum Nutrition Gold Standard 100% Whey Double Rich Chocolate is the purest form of whey protein that currently exists. That’s why they’re the first ingredient you read on the label. By using WPI as the primary ingredient along with premium ultra-filtered whey protein concentrate (WPC), it packs 24 grams of protein into every serving to support muscle building needs after training. This superior quality powder mixes easily using a shaker cup or just a glass and spoon. Each serving contains 24 g of premium whey protein to support muscle growth and recovery, 5.5 g of naturally occurring BCAAs and many other minerals, but just 1 g of fat, 1 g of sugar and 3 g of carbs.