7 Muscle Building Tips BACKED UP BY SCIENCE! Simon MillerWed, August 18, 2021 4:23pmURL:Embed:These muscle building tips ARE PROVEN BY SCIENCE! And we can’t argue with science… Not true at all. But throw these into your plan and see how you get on … Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related