Scientifically engineered muscle building mrp supplement formulated for athletes who are serious about building muscle mass advanced ingredients with creatine free form amino acids avena sativa tolerase l delivers 53g protein from 5 high quality sources usn muscle fuel anabolic is a scientifically engineered muscle building mrp supplement formulated for athletes that are serious about building muscle mass add 3 scoops to 500 600ml of cold water then use a blender or hand held