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

Home › Lab Tests › RC Peptides, GHK-Cu

◆ Batch ID · 005✓ Verified · Pass

GHK-Cu × RC Peptides - Lab Test, October 2025

Tested Friday, October 10, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.90%

✓ Excellent

PeptideGHK-Cu

BrandRCpeptides

LabJanoshik Labs

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Test results

6 data points

Purity

99.90%

Endotoxins

Not tested

Stated qty

50 mg

Tested qty

41.69 mg

Qty match

83% of labeled · -17%

Batch ID

005

Tested by

Janoshik LabsView profile →

◆ Quantity verification

50 mg→41.69 mg-17%

About this test

This independent HPLC lab test confirms GHK-Cu 50mg from RC Peptides at 99.902% purity. The analysis was conducted by Janoshik Labs on October 10, 2025.

GHK-Cu is a copper-peptide complex researched for its role in skin health, collagen synthesis, and tissue repair. A purity level of 99.902% indicates high-grade synthesis and minimal contamination.

The full certificate of analysis is available for download on this page.