Instant Whey now incorporates Native Whey which is produced by taking fresh skimmed milk and processing it at low temperature via complex ultra and membrane filtration which captures virtually every single highly valuable and biologically active protein fraction in its native form. As a result, it contains up to 166% more bioavailable cystine which is integral to the production of glutathione, the body’s master antioxidant which plays a vital role in immune support and recovery from intense exercise. It also provides up to 16% more leucine to aid muscle repair and growth.