glutathione and seizures does cause Determination of oxidative stress level some antioxidant activities in refractory epilepsy patients Research progress on oxidative stress – glutathione and epilepsy Neuron–glia interactions

Learn what happens if you get more B12 than necessary

Efficacy and tolerability of a red-vine-leaf extract in patients suffering from chronic venous insufficiency--results of a double-blind placebo-controlled study

Hyperglycemia and advanced glycosylation end products suppress adipocyte apoE expression: implications for adipocyte triglyceride metabolism

The Institute of Medicine reports that no adverse effects have been associated with excess vitamin B12 intake from food and supplements in healthy individuals. However, if youre not deficient in vitamin B12 to begin with or you dont address the underlying reasons you might be deficient, injections likely wont do much to improve overall quality of life