It may alleviate your alternate bouts with constipation n diarrhea, if you did not have balanced friendly flora in your digestive system. They should be at least 80% good and no more than 30% bad - otherwise, digestive disorders occur.
Of course, a healthy Diet wtih lots of fresh fruits n vegetables are important along with lots n lots of water, fibre and exercise. Even walking a few times a week would be useful. All leads to a healthier existence.