Fonio is a cereal cultivated in West Africa, mainly in Burkina Faso, Mali, Guinea and Sierra Leone. It is cultivated for its grains, which are used to prepare a variety of dishes, including couscous, soups and porridges. Fonio is rich in protein, dietary fiber and essential vitamins and minerals, such as iron, zinc and calcium. It is also an important source of phytosterols, plant substances that can help regulate cholesterol levels in the blood.