Perfect Nutrition - Diesel is suitable for phase 1 and 2. "Diesel is an ultra premium whey protein isolate engineered to be the most advanced protein formulation science could design. Derived from 100% New Zealand, ion-exchanged whey protein isolate, Diesel only uses hormone free whey from New Zealand cows that are "Meadow Fed (pesticide free)" and not given any rBGH or BST Hormones. Diesel's ultra-potent ingredients set the stage for an anabolic environment and delivers absolutely incredible muscle gains and strength - faster than any other whey protein available! Infused with high concentrations of branch chain amino acids (BCAA's) and L-Glutamine - the necessary building blocks that are used for building muscle tissue. Diesel will stop the breakdown effect of training and supply your muscles with the protein and amino acids they need to rebuild, repair and grow. Diesel uses all natural ingredients and is fat free, lactose free, gluten free and aspartame free. Diesel is the cleanest, purest and most advanced protein isolate available today. It mixes instantly"