Dr. As we age, our cells can become more stressed; the production of Glutathione (GSH) decreases and can even stop. As cells are subjected to oxidative stress, the production process can't Understanding Antioxidants: Roles and Benefits Explained Integrative Modeling of Oxidative Stress and C1 Metabolism Reveals Upregulation of Formaldehyde and Downregulation of Glutathione cell biology Is homocysteine converted to glutathione during oxidative stress? Biology Stack Exchange