What are the best sources of fiber?

Varies: There are 2 types of fiber:soluble and insoluble. Both are important for health, digestion, & preventing diseases. Soluble fiber attracts water and turns to gel during digestion. This slows digestion. Soluble fiber is in oat bran, barley, nuts, seeds, beans, lentils, peas, & some fruits/vegetables. Insoluble fiber is found in foods like wheat bran, vegetables, & whole grain. It adds bulk 2 stool.