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Thazhath SS, Marathe CS, Wu T et al (2016) The glucagon-like peptide 1 receptor agonist exenatide inhibits small intestinal motility, flow, transit, and absorption of glucose in healthy subjects and patients with type 2 diabetes: a randomized controlled trial

E., Melnyk, S., Fuchs, G., Reid, T., Jernigan, S., Pavliv, O., Hubanks, A., Gaylor, D

Unlike other growth hormone secretagogues such as GHRP-6 or hexarelin, ipamorelin demonstrates a narrow selectivity profile, stimulating GH release in a dose-dependent manner without appreciably altering cortisol, ACTH, or prolactin levels

Three of the most commonly discussed peptides are BPC-157, melanotan and growth hormone