Region:
All editions →MethodologyUpdated · November 2026
Sleep research neuropeptide

DSIP.
2 vendors · $25–36

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.

Clinical-stageLyophilised vialAlso known as:Emideltide · Delta sleep-inducing peptide
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: Bangkok Peptides 5 mg at $7.20/mg.

2 mg

1 listing
01
SwissChemsVID-SWISSCHE · US dispatch
2 mg
99%
HPLC · third-party COA
In stock
2–3 weeks
$12.50/mg
$25

5 mg

1 listing
01
Bangkok PeptidesVID-BANGKOK- · TH dispatch · ฿1200 · 10 mg sold out
5 mg
99%
No Janoshik report for this compound on the vendor testing page (checked 2026-10-31); purity is the listing figure
In stock
International tracked courier (times vary by destination)
$7.20/mg
$36
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 →