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Description
GHK-Cu (glycyl-L-histidyl-L-lysine-copper) is a naturally occurring tripeptide - three amino acids bound to a copper ion

The only difference is that a 5mg vial lasts half as many weeks

These compounds also provide neuroprotective effects that may help manage chronic stress responses in damaged tissues

P.NickkholghA.HerrI.ZornM.et al (2019)