Delta Sleep Inducing Peptide DSIP Age Management of West Michigan Delta SleepInducing Peptide (DSIP) is a small naturally occurring peptide that was first identified in the 1970s and is associated with regulating sleep, particularly deep (delta) sleep phases. It's composed of 9 Peptide Therapy Exclusive Med Aesthetics Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives DSIP: The Deep Sleep Peptide That's Changing How High Performers Recover LIVV