The potential of GHK as an anti aging peptide Molecular structure of the tripeptide GHK Cu. In solution lysine Download Scientific Diagram The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget OBM Geriatrics The Effect of the Human Plasma Molecule GHK Cu on Stem Cell Actions and Expression of Relevant Genes GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Ozark Have you heard of GHK Cu the copper peptide your body is already making? GHK Cu (Glycyl L Histidyl L Lysine Copper) is a naturally occurring tripeptide found in human plasma, saliva, and urine.