PeptideResearch use only

Buy DSIP 5mg

Delta Sleep Inducing Peptide (DSIP) for neuropeptide signaling and electrophysiology research. ≥99% purity, crystalline powder with batch COA.

Where to buy DSIP

3 vendors · ranked by $/mg
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Blank PeptidesBest valueDR 3.5
40 mg · 4-packIn stock
$5.53/mg
$221 · from $65
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American PeptidesPartnercode PEPTECH
5 mgIn stock
$11.00/mg est
$55
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Amino ClubPartnerLowest pricecode PEPTECH
Size varies
$/mg n/a
from $29.99
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Prices checked Aug 27, 2026$/mg = listed price ÷ total mg. “est” uses a standard size.

Links to vendors are affiliate links — we may earn a commission at no extra cost to you. Prices and stock are set by each vendor and may change. Peptide Technologies no longer sells retail.

Best price
From $29.99
at Amino Club · 3 vendors compared
Best value $5.53/mg · 40 mg · 4-pack at Blank Peptides
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Third-party testedCOA-backedRUO

Links to vendors are affiliate links — we may earn a commission at no extra cost to you. Prices and stock are set by each vendor and may change. Peptide Technologies no longer sells retail.

About DSIP

DSIP (Delta Sleep-Inducing Peptide) 5 mg is a rigorously characterized nonapeptide (sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu ) supplied by Peptide Technologies at ≥ 99% purity (HPLC/MS verified) for in-vitro, cellular, and biochemical research use only (RUO) . DSIP is commonly used to probe neuromodulatory pathways, opioid peptide signaling, epithelial transport, and controlled-release formulations under standardized laboratory conditions.

For laboratory research use only. Not for human or veterinary use, diagnosis, treatment, or consumption.

Reference data
Lot-independent identity data
Strength5mg
Former retail (reference)$24.99

DSIP — frequently asked questions

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Affiliate disclosure. Peptide Technologies is a wholesale manufacturer and no longer sells retail. The vendor links on this site are affiliate links — we may earn a commission at no additional cost to you. Vendor names, prices, and stock belong to each vendor, are gathered from public sources, and can change or be out of date. A listing is not medical advice or an endorsement of any research use. For laboratory research use only.

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