The growth hormone-releasing peptide-6 (GHRP-6) is one of several synthetic met-enkephalin analogs that include unnatural D-amino acids. They were developed for their growth hormone (GH) releasing activity, then called GH secretatogues. They lack opioid activity but are potent stimulators of GH release. Product name GHRP 6 , Growth Hormone Releasing Peptide-6 Alias GHRP-6, GHRP, GHRP 6, Growth Hormone Releasing Peptide-6 …