NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,386 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- nutritional supplement
- listen (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.