The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Protective Functions of Alanyl L Histidine and Glycyl L Histidyl L Lysine Glycoconjugates and Copper in Concert Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + The naturally occurring peptide GHK reverses age related fibrosis by modulating myofibroblast function He Aging Pathobiology and Therapeutics