GHK-Cu × Growth Guys — Lab Test, February 2026
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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 growthguys.is, performed by Janoshik Labs on February 19, 2026. Reported purity: 99.814%. Net content: 66.9 mg against 70 mg labeled (96% of label). Batch GHK06. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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