A selective fifth-generation growth hormone releasing peptide. Considered the cleanest GHRP due to minimal effect on cortisol and prolactin — side effects common with earlier GHRPs. Short half-life requires multiple daily injections.
Ipamorelin is the preferred GHRP for performance use precisely because it stimulates GH release with minimal effect on cortisol and prolactin, side effects that plagued earlier GHRPs. It is used for recovery enhancement, sleep quality improvement, and the body composition effects of elevated GH. Some athletes use it specifically before sleep to amp...
Ipamorelin is almost always combined with CJC-1295 in performance protocols because the synergistic effect of stimulating both the GHRH and ghrelin receptors simultaneously produces substantially greater GH release than either compound alone. This pairing is the standard approach to peptide-based GH optimization in performance settings. Ipamorelin ...
Ipamorelin's favorable side effect profile relative to other GHRPs does not mean it is consequence-free. The downstream effects of elevated GH and IGF-1, including insulin resistance and the theoretical proliferative risk, apply regardless of how the GH elevation is achieved. The short half-life of ...