This independent HPLC lab test confirms GHK-Cu 50mg from Modern Aminos at 99.96% purity. The analysis was conducted by Freedom Diagnostics on March 10, 2026.
GHK-Cu is a copper-peptide complex researched for its role in skin health, collagen synthesis, and tissue repair. A purity level of 99.96% indicates minimal contamination and pharmaceutical-grade synthesis. Endotoxin testing passed at ≤0.05 EU/mL, demonstrating safety for research applications.
The net peptide content across three vials ranged from 57.16mg to 66.57mg, with an average of 66.39mg. The full certificate of analysis (COA: 2603090087) is available for download on this page.

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