DSIP is a nonapeptide first isolated in the 1970s from the cerebral venous blood of sleeping rabbits. It crosses the blood brain barrier readily, which is part of why it continues to appear in research on sleep architecture, circadian regulation and neuroendocrine signalling.

Cognitive series
DSIP 5mg
Delta Sleep-Inducing Peptide, a nine amino acid neuropeptide first isolated from cerebral venous blood. 99%+ purity, U.S. lab tested.
99%+ PURITYAH-DSIP-5In stock
$29.99
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1
Certificate ships with the vial — lot-matched COA, chromatogram, handling sheet.
Ships as lyophilised powder — stable at ambient temperature in transit.
Processed in 1–2 business days — then FedEx 2Day, tracked to your door.
Specification
Written On The Vial.
| SEQUENCE | Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu |
|---|---|
| MOLECULAR FORMULA | C35H48N10O15 |
| MOLECULAR WEIGHT | 848.81 g/mol |
| CAS NUMBER | 62568-57-4 |
| PRESENTATION | Lyophilised powder, sealed vial |
| STORAGE | -20 °C sealed · 2-8 °C reconstituted |
| SOLUBILITY | Bacteriostatic water |
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