Glutathione an overview ScienceDirect Topics Science The antioxidant glutathione plays a key role in protein folding The team discovered a few years ago that if glutathione levels aren't precisely maintained in mitochondria, all systems fail. On 7 Powerful Natural Sources of Glutathione for Optimal Health Glutathione is the body's master antioxidant. It is important for handling oxidative stress, detoxification, and immune health. Low glutathione is linked to many chronic illnesses. Knowing what your body needs to make