Side effects of Ipamorelin_Chemicalbook Ipamorelin is a growth hormone releasing peptide that stimulates the pituitary gland to produce more Human Growth Hormones (HGH). Unlike synthetic hormones, Ipamorelin encourages natural HGH production without the same risks. Benefits Ipamorelin: A Scientific Perspective on a Selective Growth Hormone Secretagogue PARTICLE, s. r. o. There's a difference between human growth hormone (HGH) and peptides like Sermorelin. Growth hormone production starts to decline in our 20s and declines by 15% every decade. As all the major hormones Tesamorelin and Its Role in Peptide Therapy