Unfortunately, unlike roGFPs measuring the redox potentials of GSH/GSSH, peroxynitrite and GSH are not a redox pair and the biological meaning of the ratio of these two species is elusive
Without it, you are guessing, and you might be getting shots you do not need, getting them too often, or missing the real problem entirely
Researchers also observed that Epitalon appeared to influence melatonin secretion and circadian rhythm in animal models
Aoyama K, Nakaki T (2015) Glutathione in cellular redox homeostasis: association with the Excitatory Amino Acid Carrier 1 (EAAC1)
Rajguru can determine if you will benefit from GHK-Cu or if another treatment would be a more effective option
A common label is a 70mg vial split as GHK-Cu 50mg, BPC-157 10mg, and TB-500 10mg