NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,327 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.
- dietary supplement
- listen (DY-uh-TAYR-ee SUH-pleh-ment)
- A product that is added to the diet. A dietary supplement is taken by mouth, and usually contains one or more dietary ingredient (such as vitamin, mineral, herb, amino acid, and enzyme). Also called nutritional supplement.