vitamin B2

noun

1. riboflavin.

vitamin B2

noun

1. another name for riboflavin

vitamin B2

1. See riboflavin

Word History and Origins

Origin of vitamin B2¹

First recorded in 1925–30

Example Sentences

Similarly, multivitamins typically contain riboflavin, or vitamin B2, which causes your urine to turn bright yellow when it is cleared.

From Salon

Goodrich developed a process to use riboflavin, or vitamin B2, and rays of ultraviolet light to do the same thing.

From Washington Post

Usually used to treat keratoconus - an eye disorder causing thinning of the cornea - it involves using ultraviolet light and vitamin B2 drops to stiffen the cornea.

From Fox News

Almonds are full of protein for energy, magnesium for heart health, calcium for bones, vitamin B2 for eyesight and healthy fats for the brain.

From Washington Post

General Mills reduced the amount of riboflavin, or vitamin B2, and magnesium in the original Cheerios.

From New York Times