NOW® Whey Protein is a delicious blend of three of the highest quality whey protein concentrates, isolates and hydrolysates from around the world: Ultrafiltered, Cross-Flow Microfiltered and Enzymatically Hydrolyzed (partially predigested). This blend of specially processed whey proteins is designed to maximize amino acid absorption and Biological Value (BV). Extra L-Glutamine has been added (380 mg per serving) because of its important role in protecting muscle tissue from breaking down under stressful, vigorous physical activity.* 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. Since 1968, NOW has earned a valued reputation for producing quality products at reasonable prices. Our Quality Assurance and Quality Control teams of certified nutritionists, chemists and technicians thoroughly evaluate all products, processes, packaging and sources. Our responsiblity and pledge is to honestly and accurately label quality products that are fresh, potent and effective. Product FAQ"s Read more about Sports Nutrition from Your Health Professor Related Products