DSIP (delta sleep-inducing peptide) is a synthetic nine-amino-acid research peptide studied in experimental sleep and neurobiology settings. Its name reflects early findings, but published evidence does not establish it as a reliable sleep treatment.
Compound overview
Research context
DSIP was described as a candidate sleep-associated peptide in early experimental work. Investigations have examined sleep structure and neurophysiological responses, but the biological mechanism remains unsettled. A later review questioned whether the exact peptide has been conclusively shown to occur naturally and noted the absence of an identified specific receptor.
Human studies are small and inconsistent. An early crossover study in six healthy volunteers reported sleep-related changes, whereas a double-blind study in 16 people with chronic insomnia found weak objective effects, no change in subjective sleep quality and no clear therapeutic benefit. These results do not justify assuming that DSIP improves sleep in people. See the Research tab for the linked publications.
Batch documentation
Independent analytical documentation is published where available for specific batches and variations. A result indicator appears only when a published record is available. Match the compound, vial size and batch identifier to the corresponding report before relying on any result.
Supply and laboratory handling
- Supplied in the vial size selected above.
- Provided as a lyophilised research material.
- Keep the vial sealed and protected from moisture, heat and direct light.
- Use suitable laboratory controls and independently verify identity and concentration for the intended experimental model.
Frequently asked questions
What is DSIP?
DSIP is delta sleep-inducing peptide, a nine-amino-acid sequence used in experimental sleep and peptide research.
Does its name mean it reliably induces sleep?
No. The name comes from early research. Human findings are limited and mixed, and a controlled insomnia study did not find a meaningful overall therapeutic benefit.
Is its biological mechanism established?
No. The precise mechanism and natural occurrence of the exact peptide remain debated in the scientific literature.
Which vial size will I receive?
The supplied quantity is determined by the variation selected above. This description applies across available vial sizes.
Where can I find batch testing?
Check the product testing information for a published report matching the selected variation and batch. Published research is separate from batch-specific analytical documentation.
How should laboratory storage be determined?
Keep the material sealed and protected from moisture, heat and light. Follow batch documentation and the requirements of the validated laboratory protocol; solution stability depends on the experimental conditions.
Information reviewed 28 September 2026. Reference: Kovalzon and Strekalova, 2006.
