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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 Regenerative Research peptides, performed by Krause Analytical on October 19, 2025. Reported purity: 99.93%. Net content: 96.8 mg against 100 mg labeled (97% of label). Endotoxins: ND. Batch GK25-02. Sample source: shop-provided. Certificate of analysis attached.
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