is ghk-cu a receptor agonist Rx Protocol GHK-Cu 50MG

The absence of human trials means no one knows the appropriate dose range, the risk of adverse events, or the long-term toxicity profile

doi: 10.1038/nri.2016.112 [DOI] [PubMed] [Google Scholar] 528

It also serves as a cofactor for several enzymes involved in the biosynthesis of collagen, carnitine, and neurotransmitters, as well as in the metabolism of tyrosine and peptide hormones

Goldstein AL, Kleinman HK

GHK-Cu GHK-Cu is a naturally occurring copper peptide involved in tissue repair and skin regeneration

Individuals with ASD exhibit dysregulated neuronal histone H3 lysine 4 (H3K4) methylation as well as upregulated histone deacetylase 4 (HDAC4) expression in the prefrontal cortex [92]