Optimum Nutrition’s GOLD STANDARD 100% WHEY™ is the world’s best-selling whey protein*. It delivers 24 g of whey protein to support muscle growth. After training, your body uses protein to help repair and rebuild muscle fibres. Each great tasting serving contains 24 g of premium whey protein to support muscle growth and 5.5 g of naturally occurring BCAAs. All with just 1 g of fat, 1.2 g of sugars, and with 1.6 g of carbs (Vanilla ice cream flavour).