Voted 2005 and 2006 Whole Foods Magazine &ampldquo;Best Sports Supplement&amprdquo;NOW&ampreg; Whey Protein Isolate is a high quality protein supplement that is both bioavailable and easily digested.&ampnbsp; Whey protein contains a high concentration of Branched Chain Amino Acids (BCAA's), which are important for efficient muscle metabolism.*&ampnbsp;NOW&ampreg; Whey Protein Isolate is ideal for active individuals.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.Other delicious flavors available: Vanilla &ampamp; Strawberry