This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.
What portal verification means →This 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 purepeptides.bio, performed by MZ Biolabs on February 10, 2026. Reported purity: 99.73%. Net content: 137.56 mg against 100 mg labeled (138% of label). Tested content exceeds the labeled amount by 38%. Batch 2026-01-29 (Vial 2). Sample source: shop-provided. Certificate of analysis attached.
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