DSIP 5mg
LatestLOT DSP0001
HPLC purity · meets spec
- Labeled
- 5mg
- Measured
- 5.22mg
- Identity
- Confirmed
- Heavy metals
- Not Detected
- Sterility
- No Growth
- Endotoxin
- 0.107 EU/mL
- Tested
- Jul 30, 2026
8 assays passed · ISO/IEC 17025 accredited
⚠️ FOR RESEARCH PURPOSES ONLY — This compound is not FDA approved. All data presented is from clinical trials for educational reference.

Circadian Peptide
A 9-amino acid peptide that modulates delta-wave sleep architecture and circadian rhythm signaling, studied for sleep onset mechanisms in research models. Premium Research Peptide.
Verified Test Results
Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory. The report below reflects the identity, purity and full-panel specification data released with this product.
Certificate of Analysis
Purity by HPLC
| Parameter | Result | Specification |
|---|
Third-party verified
Every lot is HPLC-tested at an ISO/IEC 17025-accredited lab. Open any batch's certificate below.
Technical specifications
Naturally occurring nonapeptide first isolated from rabbit brain in 1977
Supplied ready to use. No reconstitution required.
First isolated from rabbit brain in 1977 by Schoenenberger & Monnier
Peer-reviewed research
Not for human consumption. This product is sold exclusively for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.
All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.
By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.
| Appearance | Good | Meets spec |
| Purity | 99.45% · Pass | ≥ 95% |
| Net Peptide Content | 5.22mg | Report |
| Identity | Confirmed | Meets spec |
| Fentanyl Screen | Not Detected | Pass |
| Heavy Metals | Not Detected | Pass |
| Sterility | No Growth | Pass |
| Endotoxin | 0.107 EU/mL | Reported |
Representative report from lot DSP0001 (DSIP Spray). Your order ships with its own lot-specific certificate.
Bes F, Hofman W, Schuur J, Van Boxtel C
Sleep & circadian research compounds