/b/sixpacksmackdown/posts/what-does-leucine-do-an-introduction-to-leucine-an-anabolic-amino-acidLeucine is one of the three branched chain amino acids (BCAAs), and has been shown to, and is known for its ability to stimulate skeletal muscle protein synthesis. Studies have also shown that, leucine has a several fold greater impact on protein synen-USTelligent Community 11 Non-Production