Rich in vegetable proteins, lentils also contain many carbohydrates, many fibers, many vitamins, especially A, B1, B2, C, PP, mineral salts such as calcium, potassium and iron and very little fat. Due to the high protein content, lentils are considered a valid alternative to a second course based on meat, fish, eggs or cheese. They are also perfect as a first course, to be eaten together with pasta and rice: this combination makes it easier to assimilate proteins.