What Is Ipamorelin?
Ipamorelin is a synthetic pentapeptide studied as a selective ligand at the growth hormone secretagogue receptor. Its research designation is NNC 26-0161. It is supplied as a laboratory reference material and is not an approved medicine.
Published 2026-08-22 · Updated 2026-08-22 · Reviewed by the Lana editorial team
Molecular information
Sequence Aib-His-D-2-Nal-D-Phe-Lys-NH2; molecular formula C38H49N9O5; molecular weight approximately 711.85 g/mol; CAS 170851-70-4.
What mechanisms have been investigated?
Ipamorelin has been described in published research as a ghrelin/GHS receptor agonist studied for its selectivity profile in animal models.
Regulatory and research status
Not approved as a therapeutic product. Prohibited in sport by WADA. Supplied as a research reference material only.