superPeptide 1% GHK Copper Peptide Serum Pure & Cimple Conformational restriction blocks glutamate receptor desensitization Nature Structural & Molecular Biology Lets talk about GHK Cu beyond the marketing., Copper peptides are often positioned as anti inflammatory and universally regenerative., And in many patients, they are., But biology is not linear., The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline