Frontiers Growth hormone insulin like growth factor I axis in health and disease states: an update on the role of intra portal insulin The relations between GH, IGF 1, Klotho, inflammation and Download Scientific Diagram A) Serum levels of growth hormone (GH) and (B) insulin like growth Download Scientific Diagram How GHK Peptide Works Signaling GHK acts as a switch for skin repair: Interacts with adenosine receptors reduces inflammation Activates MAPK ERK, PI3K Akt, TGF pathways Stimulates fibroblasts & keratinocytes boosts collagen, elastin 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 +