# vitamin G

> English word · Noun

## Definitions
1. vitamin B₂ or riboflavin.
2. time spent in nature, in a garden or greenspace, as a health benefit
3. Guinness stout

## Etymology
In the literal vitamin sense, G is the initial of Joseph Goldberger, involved in its discovery. In later figurative senses, G is the initial of the referent.

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