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Description
The popular peptide GHK-Cu has been hailed as a fountain of youth, but skeptics warn of a ghastly side effect dubbed the copper uglies.
The expression of the VD metabolism genes CYP2R1 and CYP27A1 (25-hydroxylase), CYP27B1 (1--hydroxylase), and vitamin D receptor (VDR) were downregulated in the livers of mice fed an HFD (GSH- deficient) compared with control diet-fed group
GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring tripeptide-copper complex first 99% purity, third-party tested
Regenerates with QuadNA and NAD+
