Definition of "prebiotics" [prebiotics]

• Materials in food that, although not digested, stimulate the activity of beneficial intestinal bacteria (noun)

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• "Other yogurts correctly note that they contain prebiotics, but each serving may contain only a quarter to a half of the amount that research identifies as effective."
• "DHA and ARA are turning up in everything from baby foods to eggs to juice, along with other ingredients such as prebiotics, probiotics, lutein and lycopene."
• "Looking forward, the issue is not DHA or ARA-whose widespread use now makes their continued inclusion in WIC infant formula products a given-but the growing array of additional functional ingredients, such as prebiotics, probiotics, lutein, lycopene, and betacarotene."