It increases strength and energy production abilities of the body. BCAA is a very important supplement for refreshing and expanding of muscles after heavy and intensive workouts. BCAA has also some effects contributing to secretion of the constructive hormones such as insulin, growth hormone and insulin-like factors. It prevents protein breakdown in the muscles. BCAAs help to regulate blood sugar levels of your body by the help of alanine-glucose cycle during workouts. Furthermore, BCAAs supplement may help post-surgery recovery process and ensure rapid muscle reconstruction.