Main Entry: dietary supplement

Function: noun

: a product taken orally that contains one or more ingredients that are intended to supplement one's diet and are not considered food ; specifically according to the Dietary Supplements Health and Education Act : a product other than tobacco that is taken by mouth, that contains one or more vitamins, minerals, herbs or other botanicals, amino acids, substances supplementing the diet by increasing the daily dietary intake, or a concentrate, constituent, metabolite, extract, or combination of these, that is not represented as a food or as constituting a meal or the sole item of the diet, and that contains as part of its labeling the words dietary supplement