Ipamorelin and CJC 1295 are almost always discussed together in research circles, and the reason comes down to receptor pharmacology. The two peptides work through entirely different but complementary mechanisms that produce a Difference Between GHRP 2 and GHRP 6 Peptides Comparison Serum prolactin concentrations on days 1 (X) and 5 (A) after GHRP 2 Download Scientific Diagram Growth hormone signaling isn't just a bodybuilding topic. CJC 1295 + Ipamorelin is studied for one reason: two different pathways, one bigger question how can the body support its own GH pulse?