Beans are packed with great nutrients like fiber, protein, and B vitamins. They belong to the Fabaceae plant family, which is what sets them apart from other fruits and nuts. Beans provide a wide range of nutrients that offer a wide range of potential health benefits. Some of the potential benefits they provide include: lowering cholesterol; lowering blood sugar levels; providing protein for energy. Below, we discuss the 9 healthiest beans to add to your diet.