Want to know the best way to Build Muscle? This post goes over the best plan for you to put on muscle fast!This is hands down the best system for skinny guys to build muscle. You should also check out the best supplements for building muscle. With that out of the way...I've been getting a bunch of emails lately with guys always asking me how can skinny guys build muscle. Well, here's a no B.S. program to get you on the right path. It really comes down to three things. Lift. Eat. Recover.