As long as the oat bran is labeled as Gluten-free then yes you can! Wheat bran is lower in calories and fat and higher in fiber compared to oat bran. However, oat bran contains more protein. Both types of bran provide an array of B-complex vitamins but in differing amounts. The two bran types are similar in mineral content, each giving you nearly all the magnesium and phosphorus along with some calcium and potassium.