Dietary fiber is found only in plant foods.
Good sources of dietary fiber include whole grains, vegetables, fruit, nuts and seeds. Meat, fish, poultry, eggs, dairy products, fats, oils and sugar contain no dietary fiber. Some of the benefits of dietary fiber are to increase fecal bulk, soften stools, stimulate the healthy movement of foodstuffs through the digestive tract, and assist the muscles of the digestive tract. Consuming high fiber foods thus may help prevent and treat constipation . In addition, researchers have shown that dietary fiber can play an important role in the prevention or treatment of various diseases and disorders.