Sleep research neuropeptide
DSIP.
6 vendors · €21–56
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
6 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Particle Peptides 10 mg at €4.10/mg.
2 mg
1 listing01
SwissChemsVID-SWISSCHE · US dispatch · from $24.95
2 mg
99%
HPLC · third-party COA
In stock
2–3 weeks
€10.50/mg
€21
5 mg
1 listing01
Direct Peptides EUVID-DIRECT-P · UK network · from £34.64
5 mg
99%
HPLC badge only (no reports published)
In stock
10–14 days
€8.00/mg
€40
10 mg
3 listings01
Particle PeptidesVID-PARTICLE · SK dispatch
10 mg
99%
COA PDF (method unstated)
In stock
2–7 days
€4.10/mg
€41
02
PEAK_PEPTIDEVID-PEAK-PEP · AT dispatch
10 mg
99%
COA in progress (mfr ≥99%)
In stock
Dispatch 24–48 h
€5.00/mg
€50
03
Adria ScienceVID-ADRIA-SC · SI/CZ dispatch
10 mg
99.7%
Liquilabs per-lot COA · USP<85>
In stock
Dispatch 1–3 days
€5.60/mg
€56
Kits · multi-vial packs, price per vial
01
2 mgkit of 10
99%
HPLC · MS · Janoshik
In stock
3–7 days (EU warehouse)
€8.00/mg
€16≈ €160 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 →