Optimum Nutrition's Performance Isolate is a high-quality protein supplement made using only whey protein isolates. This product undergoes a series of sophisticated separation processes to remove excess fat, cholesterol, sugars, and other materials, leaving behind the purest form of protein. Each serving provides 25 grams of protein and 11 grams of essential amino acids, with only 1 gram of sugar and 1 gram of fat. The 5-pound container is ideal for those seeking to support their fitness and nutrition goals.