§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD
HomeLab Tests Direct Peptides, GHK-Cu
◆ Batch ID · DPS-3531781 Verified · Pass

GHK-Cu × Direct Peptides - Lab Test, February 2026

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.48%
Excellent

Test results

7 data points
Purity
99.48%
Endotoxins
Not tested
Stated qty
50 mg
Tested qty
49.1 mg
Qty match
98% of labeled · -2%
Batch ID
DPS-3531781
Container
Blue Lyophilized Powder
Tested by
Horizon AnalyticalView profile →
◆ Quantity verification
50 mg49.1 mg-2%

About this test

This independent UPLC-MS lab test confirms GHK-Cu 49.1mg from Direct Peptides at 99.48% purity. The analysis was conducted by Horizon Analytical on February 28, 2026. GHK-Cu is a copper peptide researched for its role in collagen synthesis, wound healing, and skin rejuvenation. A purity level of 99.48% indicates minimal contamination and high-grade synthesis. The full certificate of analysis is available for download on this page.

Certificate of analysis

Original document
GHK-Cu Direct Peptides COA
Issued by Horizon Analytical · Feb 28, 2026 · Batch DPS-3531781

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