dietary supplement

noun

: a product taken orally that contains one or more ingredients (such as vitamins or amino acids) that are intended to supplement one's diet and are not considered food

Examples of dietary supplement in a Sentence

Recent Examples on the Web

The sale includes Infowars’ website, studio equipment, online dietary supplement store and social media accounts, which are followed by millions of users. —Hadas Gold, CNN, 29 Nov. 2024

The United States Food and Drug Administration (FDA) does not evaluate or approve dietary supplement ingredients, labeling, quality, or safety before the product reaches the market. —Kirstyn Hill, Pharmd, Mph, Health, 20 Nov. 2024

Grapefruit, a type of citrus fruit, can be consumed as food, juice, or a dietary supplement. —Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 1 Nov. 2024

The only potential downside to magnesium intake would come from a magnesium dietary supplement. —Audrey Noble, Vogue, 24 Oct. 2024

Word History

First Known Use

1891, in the meaning defined above

Medical Definition

dietary supplement

noun

: a product taken orally that contains one or more ingredients (such as vitamins, minerals, herbs, or amino acids) that are intended to supplement one's diet and are not considered food

The study is looking at whether taking daily dietary supplements of vitamin D₃ or omega-3 fatty acids reduces the risk for developing cancer, heart disease and stroke.

—Mary Brophy Marcus, USA Today

A hormone produced by the pineal gland in the brain, melatonin also occurs naturally in some foods. It therefore may be sold as a dietary supplement in the United States under the Dietary Supplement Health and Education Act of 1994, without premarket approval from the FDA.

—Lynne Lamberg, The Journal of the American Medical Association

… batches of a dietary supplement L-tryptophan that have been implicated in a mysterious disease were produced by a genetically engineered organism.

—Leslie Roberts, Science