# vitamin I

> English word · Noun

## Definitions
1. Ibuprofen.

## Etymology
From the first letter of ibuprofen, called a "vitamin" because some athletes rely on it daily.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/vitamin-i