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Your job is reading the vial label correctly and converting milligrams to units without error

Specifications Storage & Handling Store lyophilized GHK-Cu at -20 C, protected from light and humidity

the trade-off is injecting twice the volume per dose Either path delivers 2 mg GHK-Cu plus 400 mcg of each support peptide

Mass Spectrometry Verification Mass spectrometry confirms molecular identity and structural accuracy

It is not the same as AHK-Cu, a related tripeptide-copper complex (Ala-His-Lys with copper) that shares the histidine-anchored coordination chemistry but has different specific biological characterization

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