§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · NOV-2025● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › XL Peptides, DSIP (Delta Sleep-inducing Peptide)

◆ Batch ID · 007DSP01✓ Verified · Pass

DSIP (Delta Sleep-inducing Peptide) × XL Peptides - Lab Test, November 2025

Tested Tuesday, November 18, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.28%

✓ Excellent

PeptideDSIP (Delta Sleep-inducing Peptide)

Brandxlpeptides.com

LabJanoshik Labs

↓ Download COA 🔗 Share

Test results

6 data points

Purity

99.28%

Endotoxins

Not tested

Stated qty

10 mg

Tested qty

8.81 mg

Qty match

88% of labeled · -12%

Batch ID

007DSP01

Tested by

Janoshik LabsView profile →

◆ Quantity verification

10 mg→8.81 mg-12%

About this test

This independent HPLC lab test confirms DSIP 10mg from XL Peptides at 99.283% purity. The analysis was conducted by Janoshik Labs on November 18, 2025.

DSIP (Delta Sleep-inducing Peptide) is a neuropeptide researched for its potential role in sleep regulation and circadian rhythm modulation. A purity level of 99.283% indicates minimal contamination and high-grade synthesis.

The full certificate of analysis is available for download and verification at www.janoshik.com/verify/ using verification key 18WP539LSD76.