Are You Fiber Friendly? Whole-wheat bread, oatmeal, apples, and cabbage each contribute fiber or roughage to the diet, but their fiber compositions are different. Most high-fiber foods contain both soluble and insoluble fiber, but in different proportions. Choose a variety of high-fiber foods -- vegetables, fruits, and whole grain products -- in order to get enough of both soluble and insoluble fiber daily.
Dietary Fiber - Bowel Function Patients with colorectal or anorectal problems are generally unaware of how their own bowel habits may vary from normal. Since their problems usually stem from childhood, representing lifelong habits, and since they have no standards for comparison, most patients assume that their function is normal.
Sources of Dietary Fiber This is one in a series of fact sheets containing information to help you select foods that provide adequate daily amounts of vitamins, minerals, and dietary fiber as you follow the Dietary Guidelines for Americans.