§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · MAR-2026● VERIFIED SUBMISSION · PUBLIC RECORD

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◆ Batch ID · Epithalon✓ Verified · Pass

EPITHALON × Purity Peptides - Lab Test, March 2026

Tested Monday, March 09, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.78%

✓ Excellent

PeptideEPITHALON

Brandpuritypeptides.is

LabMDx BioAnalytical Laboratory

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Test results

8 data points

Purity

99.78%

Endotoxins

PASS

Stated qty

50 mg

Tested qty

51.87 mg

Qty match

104% of labeled · +4%

Batch ID

Epithalon

Container

White Crystals

Tested by

MDx BioAnalytical LaboratoryView profile →

◆ Quantity verification

50 mg→51.87 mg+4%

About this test

This independent LC-MS lab test confirms EPITHALON 50mg from Purity Peptides at 99.78% purity. The analysis was conducted by MDx BioAnalytical Laboratory on March 9, 2026.

EPITHALON is a tetrapeptide pineal peptide researched for its potential role in aging, immune function, and circadian rhythm regulation. A purity level of 99.78% indicates minimal contamination and high-grade synthesis. The sample passed endotoxin analysis at <0.05 EU/mL.

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