This independent HPLC lab test confirms GHK-Cu 100mg from Regenerative Research at 99.939% purity. The analysis was conducted on February 20, 2026 by Freedom Diagnostics Testing.
GHK-Cu is a copper peptide complex researched for its role in collagen synthesis, skin health, and tissue remodeling. A purity level of 99.939% indicates exceptional synthesis quality 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.