Ipamorelin
A small synthetic peptide that acts on the ghrelin receptor, discovered at Novo Nordisk in the 1990s.
Level of evidence
Clinical trials — controlled human studiesWhat it is
Ipamorelin is a five-amino-acid synthetic peptide described in 1998. It stimulates growth hormone release through the ghrelin (GHS-R1a) receptor, with high selectivity in animal studies.
State of the research
It was tested in phase 2 clinical trials for postoperative ileus; development as a medicine was not continued.
Sources
Last reviewed: October 2026
Summaries of published scientific literature, for information and laboratory research only. They do not describe uses of our products, are not medical advice and do not imply that any compound is safe or effective in humans. Our products are not for human or animal consumption.