Can any doc tell me what's the difference b/w oat and oat bran?

Oat and Oat Bran. I commend you for good choices for your Health. Oat bran contains about 50% more fiber and soluble fiber than oatmeal, making it more effective at lowering cholesterol and helping digestion. It also has more protein, calcium, iron, thiamin, phosphorus, riboflavin, magnesium, and zinc. continue good Diet!