GHK-Cu × NextGen Peptides - Lab Test, December 2025
Test results
About this test
GHK-Cu 8.85mg from NextGen Peptides achieves 99.682% purity according to this independent HPLC analysis with UV detection coupled to mass spectrometry. The test was conducted by Freedom Diagnostics Testing on December 12, 2025. The sample was assessed as part of a blend analysis.
GHK-Cu is a copper peptide researched for skin health, collagen synthesis, and tissue repair. A purity level of 99.682% demonstrates pharmaceutical-grade synthesis with minimal contamination and high product consistency.
The certificate of analysis (COA #2512110133) is available for download and includes chromatographic data and mass spectrometry confirmation. The sample appears as a blue lyophilized powder.
Certificate of analysis
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