Sleep research neuropeptide
DSIP.
5 vendors · $25–47
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
5 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Particle Peptides 10 mg at $4.70/mg.
2 mg
2 listings02
2 mg
99%
HPLC certificates
In stock
10–14 days
$14.50/mg
$29
5 mg
1 listing01
Bangkok PeptidesVID-BANGKOK- · TH dispatch · ฿1200 · 10 mg sold out
5 mg
99%
HPLC · MS (vendor claim ≥99%)
In stock
International tracked courier (times vary by destination)
$7.20/mg
$36
10 mg
1 listing01
Particle PeptidesVID-PARTICLE · SK dispatch · €40.64 ex-VAT
10 mg
99%
COA PDF (method unstated)
In stock
DHL Express 2–3 days to Egypt (€43) · TNT 2 days (€110)
$4.70/mg
$47
Flagged vendors · documented, never recommended
01
QSC PeptidesVID-QSC-PEPT · Kit of 10 · CN warehouse
2 mgkit of 10
99%
HPLC · MS · Janoshik
In stock
7–14 days
$9.50/mg
$19≈ $190 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 →