Peptides Results Ghkcu TikTok The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Pediatric Implications of Normal Insulin GH IGF Axis Physiology Endotext NCBI Bookshelf The GH IGF 1 axis in ageing and longevity Nature Reviews Endocrinology 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