Search peptides — top sellers first
Search peptides — top sellers first
Search peptides — top sellers first
Nonapeptide isolated from sleep research, receptor still unidentified
$69/ 10mg vial
$34.50 per vial with Buy 1, Get 1 Free
Buy 1, Get 1 Free — add 2 to cart, applied automatically
In stock
Frequently bought together
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Certificate of analysis
We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.
Purity by HPLC-UV
99.12%
Contaminant screens
Freedom Diagnostics
Independent analytical lab
Certificate of Analysis
RESULT · PASS
DSIP 10mg
HPLC purity
99.12%
Pass · Meets spec
Tested
17 Aug 2026(30 days ago)
HPLC-UV + LC-MS
Analytical results
HPLC Chromatogram
Main peak 99.12% · other 0.88%
Alex JohnsonPrincipal Chemist
Authentichain · Verified 18×
The process
Four steps, every lot. The certificate is published before the vial ships.
Made in a controlled facility
Documented, repeatable steps for every batch.
Purity tested
An outside lab measures it and reports the exact number.
Identity confirmed
A second test proves it is what the label says.
Live
Freedom Diagnostics
99.12%
Purity by HPLC-UV
Report published
Signed, filed by lot number, and public before the vial ships.
Researchers study DSIP as acting through three broad routes.
No binding site has been characterised, and studies continue to investigate how it acts.
Preclinical work has examined delta-wave activity in animal recordings.
Studies have looked at interactions with stress-hormone signalling.
For research use only. Mechanisms described reflect published preclinical literature.
Published findings on this compound, each linked to its source. Animal and lab results are context, not claims about this product.
Published research on the reference compound class. Provided for scientific context only. Not a claim about the product supplied.
Each lot of this research peptide is assayed at 99% or higher purity by HPLC-UV, with identity confirmed by LC-MS.
Assayed purity per lot
Batch QC — research-use-only material
Animal EEG work has reported shifts in delta-wave activity relative to baseline recordings.
Directional finding — EEG recordings in animal models
Despite decades of study no receptor has been characterised, and the mechanism remains unresolved.
Status of the literature, not a measured value
Quick answers about DSIP.
Test any batch at any lab you like. If it doesn't match our report, you get every dollar back. No return shipping, no forms, no arguments.
