Peptide Therapy for Skin Rejuvenation LIVV Natural Half life and PK profile AJOVY (fremanezumab vfrm) injection 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 Once daily administration of CJC 1295, a long acting growth hormone releasing hormone (GHRH) analog, normalizes growth in the GHRH knockout mouse American Journal of Physiology Endocrinology and Metabolism American Physiological Society