Relief of ovalbumin induced airway remodeling by the glycyl l histidyl l lysine Cu2+ tripeptide complex via activation of SIRT1 in airway epithelial cells ScienceDirect PDF) The Human Tripeptide GHK Cu in Prevention of Oxidative Stress and Degenerative Conditions of Aging: Implications for Cognitive Health JCI Dual gut hormone receptor agonists for diabetes and obesity Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline