GHK-Cu × DS Research Peptides - Lab Test, April 2026
freedomdiagnosticstesting.com publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
Test results
About this test
This independent HPLC lab test confirms GHK-Cu 100mg from DS Research Peptides at 99.68% purity. The analysis was conducted by Freedom Diagnostics on April 10, 2026.
GHK-Cu is a copper peptide researched for its role in skin health, wound healing, and collagen synthesis. A purity level of 99.68% indicates minimal contamination and high-grade synthesis. The sample passed endotoxin threshold testing (Replicate 1 and Replicate 2 both passed).
The full certificate of analysis is available for download on this page.
Certificate of analysis
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion
No comments yet. Sign in to be the first to discuss this test.