Wheat and gluten free, our King Soba Organic Sweet Potato and Buckwheat Noodles are an unusual blend of two healthy foods, which are also on the low glycemic index. Buckwheat is rich in minerals such as magnesium, and its protein characteristics are considered to help lower cholesterol. Sweet potato is not only high in potasium, but it is also a low-fat food, rich in vitamin A, E, and C. Sweet potato may also contribute to cardiovascular health and is considered to be a good source of dietary antioxidants.