Epitalon, DSIP, and IGF 1 LR3 each play distinct roles in sleep and recovery. Epitalon aids in melatonin production and helps reset the bodys circadian rhythm, making it useful for improving sleep Epithalon Vial (10mg) High Purity Peptide Pure Bio Labs DSIP for Deep Sleep: Benefits, Dosage & Safety Epitalon Peptide Guide: Benefits, Uses, Dosage The FDA just made a move that changes everything for my patients. For nearly two years, some of the most clinically promising peptides in longevity and autoimmune medicine were locked away Big news for peptides! In July, the FDA will meet to evaluate the most commonly used peptides for FDA authorized compounding.