Hot cereal. A deliciously smooth, high fiber cereal milled from high protein oats grown in the great Northwest - some of the best oat-growing country in the whole United States. Bob's Red Mill Oat Bran Cereal Contains a high concentration of the natural fiber found in oats. USDA organic. Certified 100% organic by QAI. All natural. Diets rich in whole grain foods and other plant foods low in total fat, saturated fat and cholesterol, may reduce the risk of heart disease and some cancers.