Consume directly
Yang N, Liang B, Srivastava K, Zeng J, Zhan J, Brown L, et al
Some people think that supplementing with the building blocks of glutathione, like N-acetyl-cysteine (NAC), helps to make glutathione, but this isnt always true
This, in turn, can narrow the arteries, leading to reduced blood flow
Mol Nutr Food Res 58(7):14651473 Bailey SW, Ayling JE (2009) The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake
Due to glutathiones three-amino acid composition and your bodys production process, boosting your cellular levels is more complex than just seeking glutathione foods