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

DSIP.
3 vendors · $19–29

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 · sorted by price

Every vendor. Same compound, sorted ascending.

DSIP · price-normalised
n = 3 vendors
01
QSC Peptides
VID-QSC-PEPT
HPLC · MS · Janoshik
99%
7–14 days · Kit of 10 · CN warehouse
$19
02
SwissChems
VID-SWISSCHE
HPLC · third-party COA
99%
2–3 weeks · US dispatch
$25
03
Pharma Lab Global
VID-PHARMA-L
HPLC certificates
99%
10–14 days · UK dispatch · from £21.52
$29
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 →