More commonly known as black beans, are a small, dark variety of bean, especially prominent in Latin American cuisine. They have satiny black skin and white center and are easy to use, high in fiber and protein, and low in fat. Black Turtle Beans boast a high nutrient density, containing high levels of potassium, calcium, iron, magnesium and vitamin B6. In addition, black beans are a good source of antioxidant rich plant chemicals that reside in the deep black seed coat of the bean and help fight cancers, diabetes and eye degeneration. Black Beans are also thought to help promote digestive tract health.