89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline 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 GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu Peptide: What It Does for Body Composition and Metabolic Health