Ipamorelin is a pentapeptide. Five amino acids. That's it. But three of those five don't exist in nature. The sequence: Aib His D 2 Nal D Phe Lys, with a C terminal amide. Position 1 is aminoisobutyric acid the The Interaction of Vasopressin with Hormones of the HypothalamoPituitaryAdrenal Axis: The Significance for Therapeutic Strategies in Cardiovascular and Metabolic Diseases Frontiers Non Canonical Effects of ACTH: Insights Into Adrenal Insufficiency Normal Physiology of ACTH and GH Release in the Hypothalamus and Anterior Pituitary in Man Endotext NCBI Bookshelf Frontiers From the perspective of prolactin: a view on obesity Peptides are having a moment. Influencers and wellness clinic doctors are selling experimental peptides as the next biohacking frontier for muscle, recovery, sleep, libido, longevity, you name it. CJC 1295. Ipamorelin. BPC 157.