At the 6-month mark, the high-dose group saw a 3035% increase in mean glutathione levels within erythrocytes (red blood cells), plasma, and lymphocytes, and a massive 260% increase in buccal cells
"Immunohistochemical localization of glutathione S-transferases in human lung"
Precursors of cysteine (Cys) N-acetylcysteine (NAC) is a precursor of the amino acid cysteine
Could help battle COVID-19 Scientists at Baylor College of Medicine compared blood samples of healthy adults before the pandemic to those the same age who were hospitalized with COVID-19and the patients with the virus (the youngest being 21) showed significantly increased levels of oxidative stress and oxidant damage, as well as markedly reduced levels of glutathione
A randomized, double-blinded, placebo-controlled trial published in the European Journal of Nutrition found that oral glutathione at 1,000 mg per day increased blood glutathione levels by 30 to 35% in erythrocytes, plasma, and lymphocytes after 6 months of consistent supplementation
