Oats is a species of cereal grain grown for its seed, which is known by the same name. They are a very good source of fiber, especially beta glucan(Beta-glucans are soluble fibers that come from the cell walls of bacteria, fungi, yeasts, and some plants), and are high in vitamins, minerals, and antioxidants(like avenanthramides, avenanthramides: Avenanthramides may play a role in keeping blood pressure low by increasing nitric oxide production. They could also have anti-inflammatory and anti-itching properties when applied topically to the skin.)