Sleep research neuropeptide
DSIP.
2 vendors · CA$34–55
Delta sleep-inducing peptide — 9-residue neuropeptide first isolated from cerebral venous blood during low-frequency sleep induction. Researched for sleep–wake cycle mechanisms; not approved for human therapeutic use anywhere.
Live vendor register · grouped by strength
Every vendor. Cheapest per mg first, kits listed separately.
DSIP · price per mg
2 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Polar Peptides 5 mg at CA$11.00/mg.
2 mg
1 listing01
SwissChemsVID-SWISSCHE · US dispatch · from $24.95
2 mg
99%
HPLC · third-party COA
In stock
1–2 weeks
CA$17.00/mg
CA$34
5 mg
1 listing01
Polar PeptidesVID-POLAR-PE · CA domestic
5 mg
99.45%
HPLC-UV only · Testides report HS1-DSIP-5-070326, 2026-07-16 · no mass-spec identityTestides · HPLC-UV · Batch HS1-DSIP-5-070326 · Jul 16, 2026 · Verify COA ↗
In stock
2–10 days
CA$11.00/mg
CA$55
Same research area
Similar compounds.
Long-form research guide
Sleep Enhancement Research. Mechanism + protocols + safety.
Slow-wave sleep modulation and stress-induced insomnia in EEG models
Open the long-form guide for DSIP →