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Independent HPLC purity analysis of GHK-Cu from eliteresearchusa.com, performed by BioRegen on April 13, 2026. Reported purity: 99.42%. Net content: 57.33 mg against 50 mg labeled (115% of label). Tested content exceeds the labeled amount by 15%. Batch 5456SY0326. Sample source: shop-provided.
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