§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · AUG-2025● VERIFIED SUBMISSION · PUBLIC RECORD

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◆ Batch ID · GHK03✓ Verified · Pass

GHK-Cu × Growth Guys - Lab Test, August 2025

Tested Thursday, August 07, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.97%

✓ Excellent

PeptideGHK-Cu

Brandgrowthguys.is

LabJanoshik Labs

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Test results

6 data points

Purity

99.97%

Endotoxins

Not tested

Stated qty

51.6 mg

Tested qty

52.4 mg

Qty match

102% of labeled · +2%

Batch ID

GHK03

Tested by

Janoshik LabsView profile →

◆ Quantity verification

51.6 mg→52.4 mg+2%

About this test

This independent HPLC lab test confirms GHK-Cu 51.60mg from Growth Guys at 99.972% purity. The analysis was conducted by Janoshik Labs on August 7, 2025.

GHK-Cu is a copper peptide complex researched for collagen synthesis, skin regeneration, and wound healing. A purity level of 99.972% indicates exceptional quality and minimal contamination.

The tested quantity of 52.40mg exceeds the stated label quantity of 51.60mg, confirming product integrity. The full certificate of analysis is available for download on this page.