noun
- a substance that counteracts or inhibits the action of a vitamin in the body
Usage: technical; biochemistry
Examples
- Some antivitamins can interfere with the absorption of essential nutrients.
- Certain drugs act as antivitamins by blocking vitamin metabolism.
- The antivitamin properties of this compound were discovered during laboratory testing.
- Researchers studied how antivitamins affect the body's nutritional balance.
- Some food additives may contain antivitamins that reduce vitamin effectiveness.