Optimum Nutrition Gold Standard 100% Whey Protein in Double Rich Chocolate delivers 24g of premium whey protein per serving, including whey protein isolates as the primary source. With 5.5g of naturally occurring BCAAs and 4g of glutamine, it supports muscle growth, recovery, and performance. Available in 907g and 2.27kg tubs, this fast-digesting, low-fat, and great-tasting protein powder is perfect for athletes and fitness enthusiasts.