GHK-Cu lab reports: endotoxin + purity

Read the result in context

The linked PDFs are the source documents. Confirm the issuing laboratory, sample identifier, method, report date and result units directly in each document. A published sample report alone does not establish that a different vial or lot was tested.

Chromatographic purity, measured peptide amount, mass consistency and endotoxin are separate questions. Do not substitute a purity percentage for a quantitative content or endotoxin result. The guides below explain these distinctions and cite the analytical sources.

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