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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Superfoods, which does business as Live it Up, pulled several lots of Live It Up Super Greens dietary supplement powder in original and wild berry flavors. David J. Neal, Miami Herald, 13 June 2026 To help with this problem, some dietary supplement companies are certified by a third-party company to confirm the ingredients and amounts. Patty Weasler, Verywell Health, 9 June 2026 The recall was initiated following notification from the FDA and the Centers for Disease Control and Prevention (CDC) that the products may be implicated in an ongoing investigation associated with moringa-containing dietary supplement products. Michele Laufik, Martha Stewart, 4 June 2026 It is also sold as a dietary supplement that people believe may support heart health. Ashley Wong, Health, 7 May 2026 See All Example Sentences for dietary supplement

Word History

First Known Use

1891, in the meaning defined above

Time Traveler
The first known use of dietary supplement was in 1891

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Cite this Entry

“Dietary supplement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dietary%20supplement. Accessed 6 Jul. 2026.

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

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