ghk-cu legality FDA adds non-injectable back to Category 1. FDA Thursday re-added non-injectable GHK-Cu to Category 1 of the 503A bulks process after the nomination was withdrawn from further review. Injectable GHK-Cu remains GHK-Cu Topical Serum: Benefits, Mechanism
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doi: 10.1074/jbc.M506967200 [DOI] [PubMed] [Google Scholar] 109

It is a coenzyme molecule involved in fundamental biochemical processes and used as a reference compound in laboratory research

Annals of the New York Academy of Sciences (2010) 9

These problems usually hit hardest in the first few days
