Ipamorelin, GH, & You The Thompson Clinic Best Peptide for Lean Muscle and Fat Loss in 2026: Inside the Hype, the Doubt, and the Real TradeOffs 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, CJC 1295 + Ipamorelin Sculpt Your Body and Boost Energy