Optimum Nutrition Gold Standard 100% Whey combines whey protein isolate as its main ingredient with whey protein concentrate and hydrolyzed whey protein.
Each serving provides 24g of high-biological-value protein that is quickly absorbed by the body, helping to maintain and build muscle mass.
It also contains 5.5g of naturally occurring BCAAs and 4g of glutamine & glutamic acid, while providing fewer than 120 calories and low levels of sugar and fat per serving.