This is a powerful antioxidant that aids in athletic recovery and help with liver detoxification. It helps reduce free radical damage in the body. Environmental toxins, poor diet, stress, aging, infections, and pollution can all lead to decreased glutathione levels. While glutathione is available in capsules, tablets, and powders, that oral supplementation is difficult as it requires large doses to find any noticeable rise in levels. Thus, the most effective form to increase glutathione levels is through injections.