89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper GLOW GHK Cu TB 500 BPC 157 Research Blend 70mg Tissue Repair Peptide NeuroPept Labs Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that GHK Copper Peptide GHK Cu Tripeptide 1