Sermorelin vs. Other Peptides: What Is the Difference? Ipamorelin is a potent growth hormone releasing peptide that has some potential advantages over some of the others. Although peptides seem to be doled out like aspirin, keep in mind that these are Sermorelin vs. CJC 1295 vs. Ipamorelin Livv Natural Normal Physiology of ACTH and GH Release in the Hypothalamus and Anterior Pituitary in Man Endotext NCBI Bookshelf Frontiers Non Canonical Effects of ACTH: Insights Into Adrenal Insufficiency