GHK-Cu × NextGen Peptides - Lab Test, January 2026
Test results
About this test
GHK-Cu 50mg from NextGen Peptides achieves 99.693% purity according to this independent HPLC analysis conducted by Janoshik Labs on January 16, 2026. The tested quantity was 60.14mg, exceeding the stated label amount of 50mg.
GHK-Cu is a copper peptide researched for skin health, collagen synthesis, and tissue repair. A purity level of 99.693% demonstrates pharmaceutical-grade synthesis with minimal contamination and high product consistency.
The certificate of analysis (Task #99987) is available for verification at www.janoshik.com/verify/ with the unique key 5AN40JF0ACI7. The test includes assessment of the peptide vial or vials.
Certificate of analysis
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