Phase 1: by enhancing the blend with pre-digested leucine peptides?? we allow for blood levels of leucine to spike?? which then spikes muscle protein synthesis and lean muscle building</br>Phase 2: whey protein comes in next and gives your body the other essential amino acids</br>Phase 3: casein protein finishes the job by sustaining lean muscle accrual for hours</br></br>Product Description</br></br>This delivery puts select ahead of any other whey plus casein protein blend on the market.</br><br/>http://www.amazon.com/gp/product/B00NG2VIGO