Rice bran is the hard outer layer of rice grain that contains fiber, fatty acids, vitamins and minerals. It has various health benefits such as lowering cholesterol, improving skin and digestion, and preventing kidney stones. Learn more about rice bran facts, benefits, nutrition and uses. What is Rice Bran? Rice bran is the outer layer of the rice grain, which is removed during the milling process. This nutrient-rich byproduct is often overlooked but is packed with essential vitamins, minerals, and antioxidants. Discover the benefits and uses of rice bran, a nutritious byproduct of rice milling. Learn how it enhances health and culinary applications. Rice bran is the outer layer of rice that contains fiber, oil, and other nutrients. Learn about its possible benefits for cholesterol, diabetes, and other conditions, as well as its safety and interactions.