is injectable ghk cu better than topical “Is GHK-Cu actually worth it?” genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, GHK-Cu Peptides Before and After:
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[DOI] [PMC free article] [PubMed] [Google Scholar] 193.Zhang, L

Novel propargyl-linked bisubstrate analogues as tight-binding inhibitors for nicotinamide N -methyltransferase

Giordano, G
By modulating the epigenetic landscape, Epitalon may restore silencing of oncogenes or reactivate tumor suppressors in cells drifting toward dysplasia
