About 50% of people will say it's a miracle while the other 50% will say it's useless. Read these papers yourself and find out where you stand. DSIP HPLC Tested PeptideWarehouse.ca DSIP Peptide vs Melatonin: Which Is Better for Sleep? Victory Select Best DSIP Sleep Peptide Texas InjectCo Medical Aesthetics Have you heard of DSIP? In this study, delta sleep induced peptide was given to only 17 participants! But it helped improve their sleep markers.. unfortunately only 17 patients used but they were