Adrenocorticotrophic hormone (ACTH) deficiency The role of cortisol and prolactin in the pathogenesis and clinical expression of psychotic disorders ScienceDirect 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 Normal Physiology of ACTH and GH Release in the Hypothalamus and Anterior Pituitary in Man Endotext NCBI Bookshelf