GHK CU 50 mg LIVV The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Everything you need to know about GHK Cu WHAT IS IT? A copper peptide your body naturally produces but production drops by 60% by age 60. It's one of the most WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents