Three Halos is a healthy, natural sugar substitute that tastes good. Three Halos is 100% trehalose dehydrate crystalline powder. Trehalose is produced by the body and is found in common foods such as baker’s yeast, cornstarch and brewer’s yeast. It is a stable sugar that helps support your cells and prevents free radical damage. Regular sugar can be oxidized and increases free radical damage. In addition, trehalose binds with poisons and carries them out of the body. Serving size: 1 teaspoon; 123 servings per container.