vitamin

/ˈvɪt.ə.mɪn/

Proposed by a contributor, not yet supported by evidence.

Also seen as: vitamins · vitamining · vitamined

Sense 1

Meaning · English

Any of a specific group of organic compounds essential in small quantities for healthy human growth, metabolism, development, and body function. They are found in minute amounts in plant and animal foods or sometimes produced synthetically, and deficiencies of specific vitamins produce specific disorders.

Noun

Examples

a food rich in vitamins

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

preceding a word or its initial letter, to imply that the referent benefits health or wellness

NounRegister: informal

Examples

Vitamin N: The Essential Guide to a Nature-Rich Life

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 3

Meaning · English

To fortify with vitamins.

VerbRegister: dated

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “vitamin” mean?

Any of a specific group of organic compounds essential in small quantities for healthy human growth, metabolism, development, and body function. They are found in minute amounts in plant and animal foods or sometimes produced synthetically, and deficiencies of specific vitamins produce specific disorders.

Is “vitamin” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.