Vitamin c is a key protector of the body from the ravages of potentially harmful free radicals. an effective aid in maintaining a healthy immune system. aids in the formation of collagen. directions: suggested use: as a dietary supplement , adults and children 12 or more years of age, 1 tablet daily or as directed by a health professional. sometimes known as ascorbic acid, vitamin c is a water-soluble vitamin found in such foods as citrus fruits, green and leafy vegetables, tomatoes and cauliflower. in addition to the formation of collagen, vitamin c is a key protector of the body from the ravages of potentially harmful free radicals, as well as an effective aid in maintaining a healthy immune system