Definition of "nondigestible" [nondigestible]

• Not digestible. (adjective)

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• "Prebiotics ( "before life") are nondigestible or fiber components of foods, usually complex carbohydrates that beneficially affect the host by stimulating the growth of intestinal bacteria."
• "Inulin, for example, is a type of high-fructose, nondigestible fiber that is present in wheat and onions."
• "Prebiotics are nondigestible food fibers that stimulate the growth and activity of healthy bacteria in the intestines."