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Fiber, Insoluble
This form of fiber does not dissolve in water and is best known for its water-holding capacity. Often referred to as roughage, insoluble fiber helps digestion by absorbing water and keeping things moving through the digestive tract.
How to Buy
Good sources of insoluble fiber include: high-fiber cereals, wheat bran, whole-grain cereals, dried beans and peas, vegetables and nuts.
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