Dietary supplement

Pronunciation

Definition 1

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. (NCI Dictionary)

Definition 2

Oral preparations containing dietary ingredient(s) intended to supplement the diet. Dietary ingredients include vitamins, minerals, herbs, amino acids, extracts and metabolites. (NCI Thesaurus)

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