Flat beans are a good source of proteins, vitamins A, K, C etc. They are quite beneficial for heart health. Flat beans have many other health benefits to offer. Flat beans are one of the healthiest vegetables for your heart. A good source of vitamin A, K, C, proteins and folate, flat beans boost your heart health by reducing the risk of iron deficiencies. Vitamin B and folate in this vegetable promote blood cell development, boost energy and keep your brain healthy as well. You can cook by using different kinds of fish or vegetables.