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

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◆ Batch ID · 11252025GK✓ Verified · Pass

GHK-Cu × Prime Peptides - Lab Test, January 2026

Tested Friday, January 23, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.64%

✓ Excellent

PeptideGHK-Cu

BrandPrime Peptides

LabJanoshik Labs

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Test results

6 data points

Purity

99.64%

Endotoxins

Not tested

Stated qty

100 mg

Tested qty

117.17 mg

Qty match

117% of labeled · +17%

Batch ID

11252025GK

Tested by

Janoshik LabsView profile →

◆ Quantity verification

100 mg→117.17 mg+17%

About this test

This independent HPLC lab test confirms GHK-Cu 100mg from Prime Peptides at 99.640% purity. The analysis was conducted by Janoshik Labs on January 23, 2026.

GHK-Cu is a copper peptide complex studied for its potential roles in skin health, collagen production, and tissue remodeling. A purity level of 99.640% indicates high-grade synthesis with minimal impurities.

The full certificate of analysis is available for verification at janoshik.com with the unique key 5BC53Y6UNIFC.