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This is the standard model for studying antipsychotic-induced receptor changes

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*Store lyophilized peptide at 20 C in a dry, dark location *Avoid repeated freezethaw cycles *Protect from prolonged exposure to light Description GHK-Cu (Copper Tripeptide-1) is a synthetic peptide complex consisting of the naturally occurring tripeptide GHK bound to a copper (Cu) ion

many investigators use 13 mL per vial as a starting point and aliquot immediately to avoid repeated freeze-thaw cycles

It is studied and sold strictly as a research compound or off-label growth-hormone-axis agent explored for muscle growth and recovery, not as an approved therapeutic or an over-the-counter supplement