8 Foods Containing the Highest Quantity of Glutathione The 7 Best Glutathione Foods Foods Highest in Glutathione Have you heard of glutathioneGlutathione is your body's master antioxidant. If you have inflammation you want healthy glutathione levels. A few small studies show that glutathione capacity is reduced in endo Glutathione is known as the master antioxidant. This critical compound protects cells from damage caused by free radicals and toxins, supports detoxification, plays a key role in DNA synthesis and repair, What To Avoid When Taking Glutathione Glutathione Understanding the Powerful Master Antioxidant