§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · MAR-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · 250EPI✓ Verified · Pass
EPITHALON × XL Peptides - Lab Test, March 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
98.73%
✓ Excellent
Test results
6 data points
Purity
98.73%
Endotoxins
Not tested
Stated qty
10 mg
Tested qty
9.17 mg
Qty match
92% of labeled · -8%
Batch ID
250EPI
Tested by
Janoshik LabsView profile →
◆ Quantity verification
10 mg→9.17 mg-8%
About this test
This independent HPLC lab test confirms Epithalon 10mg from XL Peptides at 98.732% purity. The analysis was conducted by Janoshik Labs on March 17, 2026.
Epithalon (also known as Epitalon) is a tetrapeptide researched for its potential role in telomerase activation, aging intervention, and cellular longevity. A purity level of 98.732% indicates high-grade synthesis.
The full certificate of analysis is available for download and verification at www.janoshik.com/verify/ using verification key 3WE1XW74ADR.
Certificate of analysis
Original document
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