The federal agency is gearing up to decide whether peptides can be included in supplements. (: Volanthevist Moment Getty Images) #science #peptides #fda #health #medicine Often you think you need to train harder to see results. But what if you're already training hard enough, and the real issue is that your body isn't recovering, adapting, or rebuilding Ben Greenfield V2 IM8 Health There's a lot of confusion around peptides and muscle. Here's how I actually think about it. Most peptides don't build muscle directly. They improve the systems that allow muscle to grow. First,