NOW&ampreg; Whey Protein is a delicious blend of three of the highest quality whey protein concentrates and isolates from around the world:&ampnbsp; Micro-Filtered, Ion-Exchanged and Enzymatically Hydrolyzed (partially predigested).&ampnbsp; This blend of specially processed whey proteins is designed to maximize amino acid absorption and Biological Value (BV).&ampnbsp; Extra L-Glutamine has been added (830 mg per serving) because of its important role in protecting muscle tissue from breaking down under stressful, vigorous physical activity.*&ampnbsp;&ampnbsp;Whey protein is considered to have the highest Biological Value of any protein source - superior in essential amino acid content to beef, milk, casein or soy.