Systematic manipulation of glutathione metabolism in Escherichia coli for improved glutathione production Microbial Cell Factories Springer Nature Link What is NAC (N Acetyl L Cysteine)?, NAC is a derivative of the amino acid L Cysteine, designed to be more stable and bioavailable than regular cysteine on its own., Lets break it down:, Cysteine Glutathione de novo synthesis but not recycling process coordinates with glutamine catabolism to control redox homeostasis and directs murine T cell differentiation eLife Glutathione is called the body's master antioxidant: protects against oxidative stress has anti Siim Land Rattibha