Organic proso millet is a type of millet that is high in fiber, protein, and minerals. It is used in both sweet and savory cuisines. Proso millet is a good source of thiamin, niacin, and vitamin B6. It also contains magnesium, phosphorus, potassium, and manganese. Millets are a good option for gluten-free people who have celiac disease. They are also excellent for people looking for a high fiber and protein grain.