Glutathione is an antioxidant. It is involved in the metabolism of toxins and carcinogens, DNA synthesis and repair, protein and prostaglandin synthesis, amino acid transport, immune system function, prevention of oxidative cell damage, and enzyme activation.

Glutathione acts as an important antioxidant in your body. That means it helps combat free radicals. These are molecules that can damage your body’s cells. Glutathione plays a role in many chemical reactions in your body.