GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu is a naturally occurring copper peptide studied for its role in supporting the bodys repair and regeneration processes. Research suggests it may help stimulate collagen production, assist with The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHKCU Peptide Therapy Relive Health Houston, TX