glutathion oxidation S-glutathionylation cycle. Cysteine residues on proteins that have a Glutathione has also been identified as the thiol buffer that keeps sulfohydryl groups in the reduced form of many proteins EP0655460A1 - Pharmacotherapeutical use of
Description
Direct glutathione and precursor products should not be compared milligram for milligram as if they were interchangeable

doi: 10.1590/S0365-05962013000100009 36 WalmsleyR.BarrettM

If your levels are high and you have symptoms of thiamine deficiency, thiamine supplementation may help

To find local stores that carry collagen peptides, you can search online or check with local health food store associations for recommendations

These organelles generally have similar concentrations of GSH as in the cytosol, although their redox ratio (reduced GSH to oxidized GSSG) may vary [71]