Our Fiber Main Article provides a comprehensive look at the who, what, when and how of Fiber
Medical Definition of Fiber
Fiber: The parts of fruits and vegetables that cannot be digested. Fiber is of vital importance to digestion; it helps the body move food through the digestive tract, reduces serum cholesterol, and contributes to disease protection. Also known as bulk and roughage.
Last Editorial Review: 5/13/2016
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