This independent HPLC lab test confirms GHK-Cu 100mg from PeptidePlugs at 99.87% purity. The analysis was conducted by Freedom Diagnostics on April 22, 2026.
GHK-Cu is a copper peptide complex researched for its potential role in collagen synthesis, skin health, wound healing, and tissue regeneration. A purity level of 99.87% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page.

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.