GHK Cu Copper Peptide Powder, CAS 49557 75 7, Purity Vietnam Ubuy Amazon.com: Neurogan GHK Cu (Copper Peptide) Neck & Face Serum 1,200mcg (1 oz bottle) : Beauty & Personal Care Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips What is GHK Cu? GHK Cu (glycyl L histidyl L lysine copper complex) is a naturally occurring peptide in human plasma that: Binds copper ions Acts as a biological signalling molecule Plays a role
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