Ipamorelin Vs Sermorelin: Decoding The Differences In Peptide Therapies 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, Peptides for Muscle Growth CJC 1295 Ipamorelin Injections Wellness at the Spa WALKIE TALKIE: CJC1295 + IPAMORELIN, How it works, the Benefits, & My Experience