Oxidative Stress: The Key to Unlocking Longevity Oxidative stress is a shared characteristic of ME CFS and Long COVID PNAS The ingredient nobody's talking about but should be. Glutathione is your body's ultimate defender against oxidative stress, and most people have never heard of it. Ours has no artificial colors, OXIDATIVE STRESScan contribute to hypothyroid symptoms When the body has to deal with too much Oxidative Stress from inflammation, then the enzyme Glutathione Peroxidase [GPx] has to work overtime to inactivate damaging "