The red lentil is an edible legume. It is an annual plant known for its lens-shaped seeds. Masoor dal is power-packed with nutrients and has immeasurable benefits. A mere cup of masoor dal has 230 calories, about 15 grams of dietary fibre and about 17 grams of proteins. Lentils are low in calories, rich in iron and folate and an excellent source of protein. They pack health-promoting polyphenols and may reduce several heart disease risk factors.