Foods High in Glutathione Dr. Christina Carlyle 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, Glutathione is an antioxidant powerhouse that plays a crucial role in detoxifying our bodies and boosting immune function. If you're looking to enhance your glutathione levels, incorporating these glutathione rich foods into Which foods are highest in glutathione ?