Red beans are classified as concerning food which include in group of legumes; same as green beans, soya beans, Tolo beans, and Uci beans. There are several types of red beans such as red bean, Adzuki bean (small red beans), and kidney bean (big red bean). The content of nutrients in red beans, beside the beans are cooked in a variety of delicious foods, the content of nutrients in red beans are also incredibly rich.

Red beans are rich with folic acid, calcium, complex carbohydrates, fiber, and high protein. The content of complex carbohydrates and high fiber which makes the red beans can lower the blood cholesterol levels. Red beans glycemic index levels are also low so red beans are useful for diabetic and reducing the risk of diabetes.

The content of mineral in red beans is able to completed 24 percent of daily requirement of manganese, 16 percent of iron, 14 percent of phosphorus, 12 percent of potassium and copper, 11 percent of magnesium, 7 percent of zinc, and others are below 3 percent. The mineral content in small red beans (Adzuki bean) is more than the type of big red beans (kidney bean). Kidney beans are almost free of fat, sodium, cholesterol and sodium.

Besides that, red beans are very low in calories (only 6 per cent per 100 grams), and has a cheap price. In fact, red beans are able to cover 30 percent of fiber needs and contain 168 mg of Omega-3 fatty acids and 107 mg of Omega-6 fatty acids.