GHK Cu 50mg Copper Peptide Peptides Alpha Frontiers Glycyl L histidyl L lysine Cu2+ attenuates cigarette smoke induced pulmonary emphysema and inflammation by reducing oxidative stress pathway GHK Cu Research Compound Power Peptides GHK CU COPPER PEPTIDE POWDER (60 CAPSULES) (2MG CAPSULE, 120MG TOTAL BOTTLE) UMBRELLA Labs Your body already knows this peptide it just makes less of it over time. GHK Cu is a naturally occurring copper peptide that supports tissue repair, improves skin quality, and helps reduce inflammation