§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · APR-2026● VERIFIED SUBMISSION · PUBLIC RECORD
HomeLab Tests Crush Research Supply, GHK-Cu
◆ Batch ID · CRGHK-100-2604-1 Verified · Pass

GHK-Cu × Crush Research Supply - Lab Test, April 2026

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.91%
Excellent

Test results

8 data points
Purity
99.91%
Endotoxins
NMT 0.05 EU/mL
Stated qty
100 mg
Tested qty
104.91 mg
Qty match
105% of labeled · +5%
Batch ID
CRGHK-100-2604-1
Container
Gray cap vial with white label (Crush Research Supply branded)
Tested by
ILS LaboratoriesView profile →
◆ Quantity verification
100 mg104.91 mg+5%

About this test

This independent HPLC lab test confirms GHK-Cu 100mg from Crush Research Supply at 99.91% purity. The analysis was conducted by ILS Laboratories on April 22, 2026.

GHK-Cu is a copper peptide complex researched for its role in collagen synthesis, wound healing, and skin regeneration. A purity level of 99.91% indicates minimal contamination and high-grade synthesis. Endotoxin levels tested at NMT 0.05 EU/mL, meeting safety specifications.

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

Certificate of analysis

Original document
GHK-Cu Crush Research Supply COA
Issued by ILS Laboratories · Apr 22, 2026 · Batch CRGHK-100-2604-1

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