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

Home › Lab Tests › Direct Peptides, GHK-Cu

◆ Batch ID · DPS-4215641✓ Verified · Pass

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

Tested Friday, March 06, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.28%

✓ Excellent

PeptideGHK-Cu

Branddirectpeptides.com

LabHorizon Analytical

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Test results

7 data points

Purity

99.28%

Endotoxins

Not tested

Stated qty

100 mg

Tested qty

98 mg

Qty match

98% of labeled · -2%

Batch ID

DPS-4215641

Container

Blue Lyophilized Powder

Tested by

Horizon AnalyticalView profile →

◆ Quantity verification

100 mg→98 mg-2%

About this test

This independent UPLC-MS lab test confirms GHK-Cu 98mg from Direct Peptides at 99.28% purity. The analysis was conducted by Horizon Analytical on March 6, 2026. GHK-Cu is a copper peptide researched for its role in collagen synthesis, wound healing, and skin rejuvenation. A purity level of 99.28% indicates minimal contamination and high-grade synthesis. The full certificate of analysis is available for download on this page.