Most Powerful Peptide for Muscle Building and Physical Performance (Mitochondria Enhancer) The science behind the peptide craze Scientific American 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, TRT + Ipamorelin CJC + (what?) = crazy shred! AnabolicMinds.com