Plasma Concentration Studies
DSIP
Delta-Sleep Peptide
Emideltide
A 9-peptido acid peptide that modulates delta-wave sleep architecture and circadian rhythm signaling, studied for sleep onset mechanisms in research models. Premium Research Peptide.

99%+ Purity
Purity Tested
Research Use Only
Laboratory Use
Peptide Profile
Peptide Type
Certificate of Analysis
Third Party Tested by Freedom Diagnostics
Compound Information
Technical specifications
What Is DSIP?
Naturally occurring nonapeptide first isolated from rabbit brain in 1977
Stability Information
Handle with care to maintain potency
Lyophilized (powder)
-20°C • up to 2 years
Reconstituted
2-8°C • up to 30 days
Stability
15 minutes (plasma half-life)
Sources & References
Peer-reviewed research
European Journal of Anaesthesiology
Delta sleep-inducing peptide
2001
Pollard BJ, Pomfrett CJD
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International Journal of Clinical Pharmacology, Therapy, and Toxicology
Acute and delayed effects of DSIP on human sleep behavior
1981 • PMID: 6895513
Schneider-Helmert D, et al.
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Neuropsychobiology
Effects of delta sleep-inducing peptide on sleep of chronic insomniac patients
1992 • DOI: 10.1159/00...
PMID: 1299794
Bes F, Hofman W, Schuur J, Van Boxt...
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European Neurology
DSIP in the treatment of withdrawal syndromes from alcohol and opiates
1984 • DOI: 10.1159/00...
PMID: 6548969
Dick P, Costa C, Fayolle K, et al.
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European Neurology
Therapeutic effects of delta-sleep-inducing peptide (DSIP) in patients with chronic, pronounced pain...
1984 • DOI: 10.1159/00...
PMID: 6548970
Larbig W, Gerber WD, Kluck M,...
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Neuropsychobiology
Effects of DSIP in man: Multifunctional psychophysiological properties besides induction of...
1983 • PMID: 6689058
Schneider-Helmert D,...
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International Journal of Neuroscience
DSIP—a tool for investigating the sleep onset mechanism: a review
1988 • DOI: 10.3109/0020...
PMID: 3286557
Yehuda S, Carasso RL
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Molecules
Delta Sleep-Inducing Peptide Recovers Motor Function in SD Rats after Focal Stroke
2021 • DOI: 10.3390/mol...
PMID: 34500605
Tukhovskaya EA, et al.
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PubChem Database
Delta Sleep-Inducing Peptide
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