ON ISOLATE GF 3lb100% of protein from whey isolate. Using a series of sophisticated separation processes, excess fat, cholesterol, sugars, and other materials are removed so that only one gram of total fat and 3 grams of carbs remain in each serving. Each serving provides: 25g of protein exclusively from whey isolate, 11g of naturally occurring essential amino acids, 5. 5g of naturally occurring BCAAs, 1g of sugar and fat, gluten free.