Avena is a genus of grasses in the family Poaceae, commonly known as OATS. OATS are a popular cereal grain and are widely cultivated for their edible seeds. They are also used as animal feed and for brewing beer. OATS are a good source of dietary fiber, vitamins, minerals, and antioxidants. They are also high in protein and have a low glycemic index, making them a healthy choice for people with diabetes.