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What's the difference between soluble and insoluble fiber?

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Some fibers are soluble in water and others are insoluble. Soluble fiber slows digestion and helps you absorb nutrients from food. Insoluble fiber adds bulk to your stool, helping the stool pass more quickly through the intestines.

Most plant foods contain some of each kind of fiber. Foods with high levels of soluble fiber include dried beans, oats, oat bran, rice bran, barley, citrus fruits, apples, strawberries, peas, and potatoes. Foods high in insoluble fiber include wheat bran, whole grains, cereals, seeds, and the skins of many fruits and vegetables.

From: Dietary Fiber for Constipation WebMD Medical Reference

SOURCES: American Academy of Family Physicians: "Fiber: How to increase the amount in your diet." American Dietetic Association (ADA): "Plum Good." Institute of Medicine. McIlwain H. , New York: Marlowe, 2007. Uptodate.com: “Patient information: High-fiber diet (Beyond the Basics),” Arnold Wald, MD. U.S. Department of Agriculture





A Diet for a Pain-Free Life

Reviewed by Melinda Ratini on June 01, 2018

SOURCES: American Academy of Family Physicians: "Fiber: How to increase the amount in your diet." American Dietetic Association (ADA): "Plum Good." Institute of Medicine. McIlwain H. , New York: Marlowe, 2007. Uptodate.com: “Patient information: High-fiber diet (Beyond the Basics),” Arnold Wald, MD. U.S. Department of Agriculture





A Diet for a Pain-Free Life

Reviewed by Melinda Ratini on June 01, 2018

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What foods have high levels of soluble fiber?

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