One of the most potent antioxidants your body makes is glutathione, a.k.a. the mother of all antioxidants. Every cell in your body contains glutathione and its main job is to protect your Foods With L Glutathione: Avocado, Watermelon, and More GoodRx Glutathione, what is it? Do I need it? Johnson Chiropractic, Inc. Have you heard of glutathione It's often called your body's master inflammation fighter! In endometriosis, research shows glutathione capacity can be reduced. That means lower protection against oxidative stress, which can fuel