Sleep research neuropeptide
DSIP.
3 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
3 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Polar Peptides 5 mg at CA$11.00/mg. Kits go lower — CA$5.80/mg, sold only in multi-vial packs.
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 listingKits · multi-vial packs, price per vial
01
QSC PeptidesVID-QSC-PEPT · Kit of 10 · CA stock
5 mgkit of 10
99%
HPLC · MS · Janoshik
In stock
2–8 days
CA$5.80/mg
CA$29≈ CA$290 per kit
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 →