This may come as a surprise given that many people associate fiber with something that makes you have more bowel movements. For many people with IBD, this is not what they are looking for. However, there are two types of fiber: insoluble and soluble. People with IBD should focus on soluble fiber. Soluble fiber attracts water and turns to gel during digestion. This type slows digestion and can be found in foods such as oat bran, barley, nuts, seeds, beans, lentils, peas, and some fruits and vegetables. Strawberries, apples, oranges, pears, dried peas, blueberries, cucumbers, celery, and carrots are some more examples of soluble fiber.
Insoluble fiber is not what people with IBD want. It speeds up digestion and is found in foods such as wheat bran, some vegetables, and whole grains. Insoluble fiber helps food pass more quickly through the stomach and intestines.