§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · NOV-2025● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · DSIP/2025-11-20✓ Verified · Pass
DSIP (Delta Sleep-inducing Peptide) × Research Peptides Europe - Lab Test, November 2025
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.36%
✓ Excellent
Test results
7 data points
Purity
99.36%
Endotoxins
< 0.001 EU/mg
Stated qty
5 mg
Tested qty
4.41 mg
Qty match
88% of labeled · -12%
Batch ID
DSIP/2025-11-20
Tested by
liquilabsView profile →
◆ Quantity verification
5 mg→4.41 mg-12%
About this test
This independent HPLC lab test confirms DSIP (Delta Sleep-inducing Peptide) 5mg from Research Peptides Europe at 99.36% purity. The analysis was conducted by Liquilabs on November 28, 2025.
DSIP is a natural peptide researched for sleep regulation, stress reduction, and immune support. A purity level of 99.36% indicates minimal contamination and high-grade synthesis.
Endotoxin testing shows < 0.001 EU/mg, confirming low bacterial contamination. The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
♡ Likes · 0
No comments yet. Sign in to discuss this test →
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion
No comments yet. Sign in to be the first to discuss this test.