Borlotti beans rich in calcium, magnesium and potassium are an excellent source of protein for vegetarians. Moreover, when well cooked, they contain sulfur and chromium compounds which help to keep blood sugar under control and cholesterol and triglyceride levels in the blood. So they help prevent atherosclerosis and heart disease. But they also contain fibers. Which makes them perfect for constipation and hemorrhoids. In smaller quantities, this legume also contains B vitamins, and zinc.