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
This means an intravenous shot of fluids and vitamins.
—
David Goodhue, Miami Herald, 6 Mar. 2025
If children have a vitamin A deficiency, the vitamin can be given alongside other supportive care for a patient with the measles.
—Berkeley Lovelace Jr., NBC News, 6 Mar. 2025
Supplementing with the vitamin can cause serious health problems if it’s not done properly, Kuritzkes says.
—Alice Park, TIME, 3 Mar. 2025
In addition, the store will feature non-prescription medicines and vitamin supplements to support full-body wellness needs.
—Pamela N. Danziger, Forbes, 1 Mar. 2025
See All Example Sentences for vitamin
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.
David Goodhue, Miami Herald, 6 Mar. 2025
If children have a vitamin A deficiency, the vitamin can be given alongside other supportive care for a patient with the measles.
—Berkeley Lovelace Jr., NBC News, 6 Mar. 2025
Supplementing with the vitamin can cause serious health problems if it’s not done properly, Kuritzkes says.
—Alice Park, TIME, 3 Mar. 2025
In addition, the store will feature non-prescription medicines and vitamin supplements to support full-body wellness needs.
—Pamela N. Danziger, Forbes, 1 Mar. 2025
See All Example Sentences for vitamin
Cite this Entry
“Vitamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin. Accessed 12 Mar. 2025.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share