IGF 1 vs. HGH Which is Better for Growth and Fat Loss? HRT Growth Hormone Blood Level an overview ScienceDirect Topics IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic GHK Cu Peptide Progress: Week 3 Results 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