CJC 1295, Ipamorelin, Tesamorelin & Sermorelin: Dosing, Forms, Timing, Frequency, & Cycles When did peptides, the body's building blocks, move out of the lab and into the retail landscape? As the cachet of social media wellness influencers has grown, so has patients' interest in Scared of needles? What science says about the peptide nasal sprays on the rise AOL It seems as if everywhere you turn, celebrities and influencers are talking up peptides. But what exactly is a peptide? Link to the full story in the comments. Nasal spray jammed and it's getting urgent. Please help me. : r fixit