One of the most significant health benefits of oat bran is the dietary fiber it contains. It is also rich in omegas, starch protein, vitamins, and minerals. If consumed on a regular basis, oat bran is excellent for your heart and nervous system. Its properties will help effectively lower cholesterol levels, promoting a healthier heart. In addition, the fiber found in oat bran helps support bowel regularity. It helps to gently cleanse the bowels of build-up and remove toxins and impurities.