GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu (Copper Peptide) AzulBotanicals GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu Peptide Therapy for Radiant Skin by Desert Mobile