vitamin
noun
vi·ta·min
ˈvī-tə-mən 
British usually
ˈvi-
: 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
May Support Bone Health Honeydew melon contains several nutrients involved with bone formation and maintenance, including vitamin C and smaller amounts of vitamin K, magnesium, potassium, and antioxidants.
—
Cynthia Sass, Mph, Health, 13 Aug. 2024
Plus, plenty of vitamin C turns up the notch on radiance.
—Jenny Berg, Vogue, 12 Aug. 2024
The company sells nutritional products focused on things like amino acids, vitamins and minerals to help people with their neurotransmitter health and ultimately mental wellbeing.
—Taylor Wilson, USA TODAY, 12 Aug. 2024
Since 2018, vitamin and supplement use has increased by nearly 50 percent for dogs and 60 percent for cats.
—Alexandra Pastore, WWD, 9 Aug. 2024
See all Example Sentences for vitamin 
Cynthia Sass, Mph, Health, 13 Aug. 2024
Plus, plenty of vitamin C turns up the notch on radiance.
—Jenny Berg, Vogue, 12 Aug. 2024
The company sells nutritional products focused on things like amino acids, vitamins and minerals to help people with their neurotransmitter health and ultimately mental wellbeing.
—Taylor Wilson, USA TODAY, 12 Aug. 2024
Since 2018, vitamin and supplement use has increased by nearly 50 percent for dogs and 60 percent for cats.
—Alexandra Pastore, WWD, 9 Aug. 2024
See all Example Sentences for vitamin
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vitamin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near vitamin
Cite this Entry
“Vitamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin. Accessed 19 Aug. 2024.
Copy CitationKids Definition
vitamin
noun
vi·ta·min
ˈvīt-ə-mən
: any of various substances that are necessary in very small amounts to the nutrition of most animals and some plants, that are important to the control of growth and development by activating and assisting in the function of enzymes, and that are present naturally in many foods or in some cases are produced within the body
Medical Definition
vitamin
noun
vi·ta·min
ˈvīt-ə-mən, British also ˈvit-
: 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
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