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

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◆ Batch ID · PGB-DS5-2✓ Verified · Pass

DSIP (Delta Sleep-inducing Peptide) × Royal Peptides - Lab Test, September 2025

Tested Thursday, September 11, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.93%

✓ Excellent

PeptideDSIP (Delta Sleep-inducing Peptide)

Brandroyal-peptides.com

LabJanoshik Labs

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Test results

6 data points

Purity

99.93%

Endotoxins

Not tested

Stated qty

5 mg

Tested qty

6.71 mg

Qty match

134% of labeled · +34%

Batch ID

PGB-DS5-2

Tested by

Janoshik LabsView profile →

◆ Quantity verification

5 mg→6.71 mg+34%

About this test

This independent HPLC lab test confirms DSIP 5mg from Royal Peptides at 99.932% purity. The analysis was conducted by Janoshik Labs on September 11, 2025.

DSIP (Delta Sleep-inducing Peptide) is a neuropeptide researched for its role in sleep regulation and circadian rhythm modulation. A purity level of 99.932% indicates minimal contamination and high-grade synthesis.

The full certificate of analysis is available for download on this page.