Super Food Monday, Red Lentils: Health benefits of lentils include high protein supply, improved digestion, healthy heart, diabetes control, weight loss, as a solution for anaemia and better electrolytic activity with potassium. It is good for pregnant women, prevention of atherosclerosis, and helps in maintaining a healthy nervous system. Lentils are one of the oldest known sources of food, dating back to more than 9000 years.