does vitamin c increase glutathione levels and supplementation: a review of their additive effects on exercise performance How to increase glutathione levels:

Glutathione is an important and powerful endogenous antioxidant that is naturally present in every cell of the human body, in fact, it is present in all organisms in some amount

While there may be some promising preliminary findings overall, this research is still new and caution should be taken when concluding that taking oral supplements of GSH daily is necessary or beneficial

Storage-induced increase in biomarkers of oxidative stress and inflammation in red blood cell components

So, in summary, how the rodent solves any of the problems confronting it in the watermaze depends not just on its capacity for spatial learning, but also its strategy for solving problems