3 WAYS TO STAY LEAN WHILE GAINING MASS || BODY BUILDING ||

Most people think that when it comes to mass gaining, your just going to eat anything you can to gain body fat with muscle because that's the way to maximize muscle mass gains. Research now shows that that's no longer the case. In fact, the leaner you are the higher your muscle protein synthesis. While gaining mass you want to stay as lean as possible. Follow along as Jim Stoppani, Ph.D. teaches you the 3 steps to do that.