PVL mutant whey is a unique 5-stage whey protein that triggers noticeable muscle growth and increases nitrogen retention. Yes, whey protein helps you grow but mutant whey helps you grow bigger and faster. New Mutant Whey has been developed after 28 months of dedicated research. It is the world"s first protein to use specially selected proteins, each with their own unique uptake rate. This 5-stage whey protein allows each source its own unique delivery to the limited number of protein receptor sites in your digestive system. What does this mean? It simply means no wasted protein 100 % whey uptake. Each of the 5 whey protein sources are 100 % complete and rich in anabolic BCAAs and glutamine to help speed recovery.