DSIP peptide comes up constantly in conversations about sleep, and it is one of the compounds where the honest answer is more interesting than the marketing. It was isolated from the blood of sleeping rabbits in the 1970s, it has a real research history in humans, and it is also a compound the FDA has flagged for safety questions in compounding. Body Works discusses DSIP with patients as an investigational compound, which means the conversation starts with what is actually known.
DSIP stands for delta sleep-inducing peptide, a chain of nine amino acids with the sequence tryptophan, alanine, glycine, glycine, aspartic acid, alanine, serine, glycine, glutamic acid. It was isolated, characterized, and synthesized between 1970 and 1977 by researchers including Schoenenberger and Monnier, who recovered it from the cerebral venous blood of rabbits in induced sleep.
The name describes what drew attention to it. Delta waves are the slow, high amplitude brain waves of the deepest stage of non-REM sleep, the stage most associated with feeling physically restored. DSIP was named for its apparent ability to promote that specific pattern rather than simple sedation.
Patients and providers most often turn to DSIP for these benefits:
Individual results vary. Ask your provider whether DSIP fits your goals and health history.
Body Works Franklin
1113 Murfreesboro Rd Suite 307
Franklin, TN 37064
(615) 790-2548
By appointment Monday through Friday
Body Works Nolensville
210 Burkitt Commons Ave
Nolensville, TN 37135
(615) 941-1000
By appointment Monday through Friday
DSIP is delta sleep-inducing peptide, a nine amino acid peptide isolated from the blood of sleeping rabbits in the 1970s. It was named for its apparent ability to promote delta wave sleep, the deepest stage of non-REM sleep. Research has looked at sleep quality and duration, though the human studies are small and mostly decades old.
Yes, more than many peptides have. Published studies applied synthetic DSIP intravenously to healthy volunteers and to people with chronic insomnia, reporting improvements in sleep duration and continuity. Those studies were small, largely from the 1980s, and used research conditions that differ from how the peptide is discussed today.
Start with the reason you are not sleeping. Sleep disruption has many causes, including hormone changes, thyroid function, sleep apnea, stress, and medication effects, and several of those are testable. A provider can work through those first, which often matters more than the choice of any single compound.

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