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This independent HPLC lab test with UV detection coupled with mass spectrometry confirms GHK-Cu 100mg from Petratide Science at 99.455% purity. The analysis was conducted by Freedom Diagnostics on March 15, 2026.
GHK-Cu (Copper Peptide) is a naturally occurring peptide complex researched for its role in collagen synthesis, skin health, wound healing, and tissue repair. A purity level of 99.455% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page.

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