In the previous study, food-derived glutathione disulfide was, however, detected in liver and blood red cell of mice
Depletion of the brain antioxidant glutathione (GSH) may be important in OS-mediated neurodegeneration, though studies of post-mortem brain GSH changes in AD have been inconclusive
So yes, when I talk about supplementations, I'm talking about supplements using some foods
AkibaTMorikawaTOdakaMNakadaTKamiyaNYamashitaMet al
Li Q, Li Q-Q, Jia J-N, Sun Q-Y, Zhou H-H, Jin W-L, Mao X-Y (2019) Baicalein exerts neuroprotective effects in FeCl3-induced posttraumatic epileptic seizures via suppressing ferroptosis