100% Pure Mixes Instantly Microfiltered High in Branch Chain Amino Acids Natural Unflavored All Natural - No Aspartame, No Sucralose, No Acesulfame-K Voted 2005  and 2006 Whole Foods Magazine Best Sports Supplement   NOW Whey Protein Isolate is a high quality protein supplement that is both bioavailable and easily digested.  Whey protein contains a high concentration of Branched Chain Amino Acids (BCAA's), which are important for efficient muscle metabolism.*  These qualities make NOW Whey Protein Isolate an ideal supplement 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, Chocolate & Strawberry   Product FAQ's   Read more about Sports Nutrition from Your Health Professor   Related Products