Peptide Series. Vol 5. Ipamorelin What you need to know, This one gets a lot of attention because it boosts growth hormone without spiking cortisol., That's rare., Most older GH peptides (GHRP 6, Fragment 176 191 & CJC 1295 & Ipamorelin Blend (12mg) for Sale Particle Ipamorelin under scientific review Main research areas: Ipamorelin is a synthetic pentapeptide studied for its selective interaction with growth signaling pathways, regenerative processes, and neuroendocrine mechanisms. Its high selectivity Tesamorelin vs. Sermorelin: Peptides to Boost HGH