GHK-Cu × RC Peptides — Lab Test, October 2025
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Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of GHK-Cu from RCpeptides, performed by Janoshik Labs on October 10, 2025. Reported purity: 99.902%. Net content: 41.69 mg against 50 mg labeled (83% of label). Tested content is 17% below the labeled amount. Batch 005. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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