Sleep research neuropeptide
DSIP.
5 vendors · €16–53
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 = 5 vendors
01
QSC Peptides
VID-QSC-PEPTHPLC · MS · Janoshik
99%
3–7 days (EU warehouse) · Kit of 10 · from $190 USD
€16
03
Direct Peptides EU
VID-DIRECT-PNo public testing info
99%
10–14 days · UK network · from £34.64
€40
05
PeptidesDirect
VID-PEPTIDESHPLC · MS (per-batch COA)
99.52%
DE 1–2 d · EU 3–10 d · DE dispatch
€53
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 →