Supplement vs Vitamin

When to use each in English, with meaning, register, and examples.

 SupplementVitamin
MeaningSomething added to help or improve something else.A substance in food that is necessary for health.
CEFR levelC1B2
Part of speechnounnoun
Usage notesUsed in contexts related to health, nutrition, and finance. Avoid in casual conversations unless discussing specific dietary needs or financial advice.Use 'vitamin' in contexts related to health, nutrition, or supplements. It's neutral and appropriate in both casual and formal conversations. Avoid using it in non-scientific discussions.

Frequently asked questions: Supplement vs Vitamin

What's the difference between "Supplement" and "Vitamin"?

"Supplement" means: Something added to help or improve something else. "Vitamin" means: A substance in food that is necessary for health.

When should I use "Supplement" and "Vitamin"?

They can all be used in everyday English.

Are "Supplement" and "Vitamin" the same CEFR level?

"Supplement" is at C1, "Vitamin" is at B2 on the CEFR scale.