§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · DSP1022026✓ Verified · Pass
DSIP (Delta Sleep-inducing Peptide) × Peptide Supply Co - Lab Test, February 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.85%
✓ Excellent
Test results
7 data points
Purity
99.85%
Endotoxins
Not tested
Stated qty
10 mg
Tested qty
12.92 mg
Qty match
129% of labeled · +29%
Batch ID
DSP1022026
Container
White Lyophilized Powder
Tested by
freedomdiagnosticstesting.comView profile →
◆ Quantity verification
10 mg→12.92 mg+29%
About this test
This independent HPLC with UV detection and mass spectrometry analysis confirms DSIP 10mg from Peptide Supply Co at 99.85% purity. The analysis was conducted by Freedom Diagnostics Testing on February 24, 2026.
DSIP (Delta Sleep-inducing Peptide) is a neuropeptide researched for its potential benefits in sleep quality, stress reduction, and circadian rhythm regulation. A purity level of 99.85% demonstrates high-quality synthesis with minimal impurities.
The full certificate of analysis (COA: 2602230232) is available for download on this page.
Certificate of analysis
Original document
Issued by freedomdiagnosticstesting.com · Feb 24, 2026 · Batch DSP1022026
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