vitamin

noun
vi·​ta·​min | \ ˈvī-tə-mən How to pronounce vitamin (audio) , British usually ˈvi- How to pronounce vitamin (audio) \

Definition of vitamin

: any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or sometimes produced within the body

Examples of vitamin in a Sentence

This cereal contains essential vitamins and minerals. Did you remember to take your vitamin?
Recent Examples on the Web Also inspired by Styles's love of pearls, the Pearlescent Illuminating Serum ($30) is a moisturizing serum that contains vitamin b5, antioxidants, amino acids, and mica to give skin a sparkly glow. Jenna Rosenstein, Harper's BAZAAR, 29 Nov. 2021 Artichokes are also full of fiber and prebiotics—both of which aid in better digestion—as well as nutrients known for stress reduction such as vitamin K, potassium, and vitamin C. Wellory, Forbes, 28 Sep. 2021 The formulas boast panthenol, a vitamin B5 derivative that strengthens locks and balances moisture, keeping hair hydrated without feeling greasy. Ariel Scotti, Health.com, 23 Sep. 2021 And citrus fruits, broccoli, strawberries and tomatoes are rich in vitamin C. Kristen Rogers, CNN, 19 Aug. 2021 Thinning hair: Those with thinning hair will want to look for thickening shampoos that contain biotin, minoxidil, caffeine or vitamin B3. Joseph Deacetis, Forbes, 28 Dec. 2021 It's formulated with Olay's favorite ingredient, vitamin B3, to help with skin hydration, cell regeneration, and the removal of dull skin, along with hyaluronic acid and squalane to promote supple skin and boost collagen. Andie Kanaras, Travel + Leisure, 23 Dec. 2021 Among the many vitamins and omega fatty acids in this body-smoother, vitamin B3 plays a pivotal role. Adam Hurly, Robb Report, 4 Nov. 2021 The second disease is pellagra, caused by a dietary deficiency of niacin (vitamin B3) or the amino acid tryptophan. Stanley Stepanic, The Conversation, 14 Oct. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vitamin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vitamin

circa 1912, in the meaning defined above

History and Etymology for vitamin

alteration of vitamine, from Latin vita life + English amine

Buying Guide

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Time Traveler for vitamin

Time Traveler

The first known use of vitamin was circa 1912

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Dictionary Entries Near vitamin

vital statistics

vitamin

vitamin A

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Statistics for vitamin

Last Updated

5 Jan 2022

Cite this Entry

“Vitamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin. Accessed 16 Jan. 2022.

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More Definitions for vitamin

vitamin

noun

English Language Learners Definition of vitamin

: a natural substance that is usually found in foods and that helps your body to be healthy
: a pill containing vitamins

vitamin

noun
vi·​ta·​min | \ ˈvī-tə-mən How to pronounce vitamin (audio) \

Kids Definition of vitamin

: any of a group of substances that are found naturally in many foods, are necessary in small quantities for good health and normal development and functioning, and are designated by a capital letter and sometimes a number vitamin B6 vitamin C

vitamin

noun
vi·​ta·​min | \ ˈvīt-ə-mən, British also ˈvit- How to pronounce vitamin (audio) \

Medical Definition of vitamin

: any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or are sometimes produced within the body

More from Merriam-Webster on vitamin

Nglish: Translation of vitamin for Spanish Speakers

Britannica English: Translation of vitamin for Arabic Speakers

Britannica.com: Encyclopedia article about vitamin

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