Ultimate 100% High Alpha Whey Isolate is a high-performance whey protein derived from grass-fed cows. It contains the highest alpha-lactalbumin protein content and provides exceptional levels of essential amino acids, including 7 g of branched-chain amino acids (BCAA) per serving. This low-lactose, non-GMO isolate is free of hormones and antibiotics, is purified by microfiltration, and is 3rd party tested for over 700 contaminants.