Sermorelin vs Tesamorelin what's the real difference? Both peptides support growth hormone optimization, but they're designed for different goals: Sermorelin Stimulates natural GH release Supports sleep, recovery, Ipamorelin is a potent growth hormone releasing peptide that has some potential advantages over some of the others. , Although peptides seem to be doled out like aspirin, keep in mind that these are Tesamorelin vs. Sermorelin: Peptides to Boost HGH CJC 1295 Ipamorelin Dosage Protocol: The Complete Clinical Guide to Dosing, Cycling, and Injection Perfect B