COA 209947 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
853DFZ3RGXJRThis is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
Independent HPLC purity analysis of GHK-Cu from purelinebiolabs peptides, performed by Janoshik Labs on July 8, 2026. Reported purity: 99.7%. Net content: 52.64 mg against 50 mg labeled (105% of label). Batch plb-013. Sample source: shop-provided. Certificate of analysis attached.
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