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

Home › Lab Tests › Crush Research Supply, GHK-Cu

◆ Batch ID · CR-GHK100-0212-1✓ Verified · Pass

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

Tested Monday, February 16, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.86%

✓ Excellent

PeptideGHK-Cu

Brandcrushresearch.shop

Labfreedomdiagnosticstesting.com

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Test results

8 data points

Purity

99.86%

Endotoxins

≤ 0.05 EU/mL

Stated qty

100 mg

Tested qty

106.86 mg

Qty match

107% of labeled · +7%

Batch ID

CR-GHK100-0212-1

Container

Two vials with dark blue caps, blue lyophilized powder (Crush Research Supply branded)

Tested by

freedomdiagnosticstesting.comView profile →

◆ Quantity verification

100 mg→106.86 mg+7%

About this test

This independent HPLC lab test confirms GHK-Cu 100mg from Crush Research Supply at 99.86% purity. The analysis was conducted by Freedom Diagnostics Testing on February 16, 2026 using HPLC with UV detection coupled with mass spectrometry.

GHK-Cu is a copper peptide complex researched for its role in collagen synthesis, wound healing, and skin regeneration. A purity level of 99.86% indicates minimal contamination and high-grade synthesis. Endotoxin levels tested at ≤0.05 EU/mL, meeting safety specifications.

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