Ipamorelin is a selective growth hormone secretagogue peptide that mimics the natural action of ghrelin to stimulate growth hormone (GH) release. Unlike earlier secretagogues such as GHR(P)-2 or GHR(P)-6, Ipamorelin exhibits high receptor selectivity and does not significantly affect cortisol or prolactin levels. In animal and in-vitro research, it has been studied for its potential to enhance growth hormone secretion, support lean body mass development, and aid recovery processes through its controlled and physiologic GH-pulse pattern.