HEALIOS dietary supplement is a powder nutrient suspension designed to promote and maintain the health of the epithelial cells and mucosal tissues of the mouth, throat, esophagus, and digestive tract. Developed by an oncologist, Healios helps reduce the severity and duration of oral mucositis, also known as mouth sores, due to chemotherapy and radiation treatment. It is the only over-the-counter, nutrient-based product for this condition, that actually rebuilds the lining of the mouth, throat and esophagus, and clinically-shown to work.