Ipamorelin Revival Clinic 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 Sermorelin or Ipamorelin: Meaning, Differences, Benefits, Side Effects, and Which One May Be Better The role of cortisol and prolactin in the pathogenesis and clinical expression of psychotic disorders ScienceDirect New insights in prolactin: pathological implications Nature Reviews Endocrinology