Advanced workout power catalyst sugar free muscle recovery fuel. Train Harder, Recover Faster. Amino HP is a great-tasting advanced workout power catalyst. The sugar-free formula is scientifically developed to trigger muscle protein synthesis and speed recovery while you train. What sets Amino HP apart from simple BCAA products is the Muscle HorsePower Complex- 4 powerful ingredients designed to increase muscle power output and muscle force, helping you crank out more work with each rep.