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Healthy cells maintain a remarkable GSH to GSSG ratio exceeding 100:1

Tumors require blood supply, and that overlap is a theoretical concern raised in the literature

GHK-Cu Copper Peptide 100mg GHK-Cu (Glycyl-L-Histidyl-L-Lysine copper complex) is a naturally occurring tripeptide-copper complex first identified by Loren Pickart in 1973 with over 50 years of published research

J Neurosci 19:562569 Dun Y, Mysona B, Van Ells T, Amarnath L, Shamsul OM, Ganapathy V et al (2006) Expression of the cystine-glutamate exchanger (xc) in retinal ganglion cells and regulation by nitric oxide and oxidative stress

Broad gene expression modulation: GHK-Cu influences more than 4,000 human genes as documented by Connectivity Map analyses