Delta Sleep Inducing Peptide (DSIP) Phoenix Pharmaceuticals, Inc. Dr. Kyle Gillett Discuss: Great to see these peptides come off category 2 (except LL37 and Melanotan II, I don't mind if those stay there haha). Which other Instagram Peptides, chains of amino acids, have grown increasingly popular and are marketed for their antiaging and health benefits. But many of the claims are untested and some forms of peptides have not Peptide Injections: Therapy, Health Benefits, & Types LIVV