Split black gram, popularly known as urad dal, is one of the most common lentils used across India. That's because it is a rich source of protein, fat, carbohydrates, and Vitamin B. Urad dal is a portion of healthy food. It is rich in protein, potassium calcium, iron, niacin, Thiamine, and riboflavin. Urad Dal is also an excellent source of dietary fiber, isoflavones, and vitamin B complex. There are many reasons why Urad dal should be consumed.