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.&ampnbsp;Since 1968, NOW has earned a valued reputation for producing quality products at reasonable prices.&ampnbsp; Our Quality Assurance and Quality Control teams of certified nutritionists, chemists and technicians thoroughly evaluate all products, processes, packaging and sources.&ampnbsp; Our responsiblity and pledge is to honestly and accurately label quality products that are fresh, potent and effective.&ampnbsp;