6. Eat more high-fiber foods

Foods that are rich in fiber will stimulate your body to work harder. It is not that easy to digest fiber yet it is needed if we want to improve digestive system. Fiber cannot be digested and, trying to break it down, your body will consume lots of calories. What foods are high in fiber? The list is endless. Pick your favorites and enjoy your meals. Opt for wild rice, legumes and green vegetables – those are some of the best sources of fiber.