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

Home › Lab Tests › Growth Guys, GHK-Cu

◆ Batch ID · GHK09✓ Verified · Pass

GHK-Cu × Growth Guys - Lab Test, April 2026

Tested Tuesday, April 28, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.00%

✓ Excellent

PeptideGHK-Cu

Brandgrowthguys.is

LabJanoshik Labs

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Test results

6 data points

Purity

99.00%

Endotoxins

Not tested

Stated qty

75 mg

Tested qty

71.91 mg

Qty match

96% of labeled · -4%

Batch ID

GHK09

Tested by

Janoshik LabsView profile →

◆ Quantity verification

75 mg→71.91 mg-4%

About this test

This independent lab analysis confirms GHK-Cu 75mg from Growth Guys at 99.005% purity. The test was conducted by Janoshik Labs on April 28, 2026, with a tested quantity of 71.91mg.

GHK-Cu is a copper peptide complex researched for its potential role in skin health, collagen synthesis, and tissue repair. A purity level of 99.005% indicates high-grade synthesis with minimal impurities.

The full certificate of analysis is available for verification at www.janoshik.com/verify/ using the unique key PFU6AWVZC2L1.