Raw Protein Isolate 2.25lbWhey protein isolate (WPI) is without a doubt the purest and most bioavailable protein source on the market today. WPI contains all 9 essential amino acids and has one of the highest percentages of BCAAs available. These BCAAs cannot be made by the body and must be consumed through food or supplements and provide the building blocks of building more muscle by stimulating muscle protein synthesis. WPI also rapidly absorbs into the bloodstream which in