Rice noodles are typically made from whole grains such as rice or mung beans, which are high in complex carbohydrates and provide a variety of essential nutrients such as dietary fiber, protein, and various vitamins and minerals. In contrast, instant noodles are frequently made from refined wheat flour, which is stripped of many of its nutrients during the refining process. Rice noodles are typically made from whole grains such as rice or mung beans, which are high in complex carbohydrates and provide a variety of essential nutrients such as dietary fiber, protein, and various vitamins and minerals. In contrast, instant noodles are frequently made from refined wheat flour, which is stripped of many of its nutrients during the refining process.