Delta Sleep Inducing Peptide (DSIP) Phoenix Pharmaceuticals, Inc. DSIP 10mg (Delta sleep inducing peptide) Particle Peptides DSIP Peptide for Detox Phoenix Rising Recovery Why Is the Neuropeptide DSIP Extremely Beneficial? PARTICLE, s. r. o. A sleep molecule that promised to boost deep sleep? It seemed too good to be true. Sadly, it was. Delta sleep inducing peptide was just a ghost. The search continues #sleepscience #sleephacks DSIP (Delta SleepInducing Peptide) is a naturally occurring neuropeptide first isolated in 1974. It's best known for its potential role in regulating sleep, stress, and neuroendocrine function. Here's a clear breakdown of