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 The GH IGF 1 axis in obesity: pathophysiology and therapeutic considerations Nature Reviews Endocrinology How Often to Inject GHK Cu PeptidesExplorer Correlation between GH and IGF 1 in the serum of patients with Download Scientific Diagram IGF 1 vs. HGH Which is Better for Growth and Fat Loss? HRT GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic