Comprehensive insights into the formation of metabolites of the ghrelin mimetics capromorelin, macimorelin and tabimorelin as potential markers for doping control purposes Lange 2021 Biomedical Chromatography Wiley Online Library 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 Molecular recognition of an acyl peptide hormone and activation of ghrelin receptor Nature Communications Pralmorelin an overview ScienceDirect Topics Ipamorelin 5 mg Peptide Gh Pathway & Endocrine Research PRG