Pronunciation: (noo-TRIH-shuh-nul SUH-pleh-ment)
A product that is added to the diet. A nutritional supplement is taken by mouth, and usually contains one or more dietary ingredient (such as vitamin, mineral, herb, amino acid, and enzyme). Also called dietary supplement.
Source: NCI Dictionary of Cancer Terms2006-05-05 Date last modified: 2008-01-29