riboflavin

noun

ri·​bo·​fla·​vin ˌrī-bə-ˈflā-vən 

ˈrī-bə-ˌflā-

: a yellow crystalline compound C₁₇H₂₀N₄O₆ of the vitamin B complex that occurs both free (as in milk) and combined (as in liver) as a component of coenzymes (such as FMN) which are essential to normal metabolism

called also vitamin B₂

Examples of riboflavin in a Sentence

Recent Examples on the Web

The effects can often be boosted with the addition of riboflavin, also known as B2. —Allison Futterman, Discover Magazine, 4 Apr. 2024

What’s more, taking vitamins and supplements, such as magnesium and riboflavin, can be effective in reducing migraine frequency, Kylie Petrarca, a nurse and education program director at the Association of Migraine Disorders, said in a previous CNN article. —Cnn.com Wire Service, The Mercury News, 25 Jan. 2024

One review analyzed how riboflavin (vitamin B2), vitamins B6, B9, and B12, vitamin E, and vitamin C could affect migraines. —Amanda MacMillan, Health, 26 Feb. 2024

Kombucha contains vitamins B6, B12, riboflavin, thiamine and niacin! —Jenna Thompson, Kansas City Star, 27 Feb. 2024

According to researchers of this 2021 study published in the Nutrients journal, by adding just one egg in the morning, including the yolk, intakes of pantothenic acid, riboflavin, selenium, and vitamin D increased over 10 percent. —Brittany Edelmann, Discover Magazine, 9 Jan. 2024

Here is a list of everything that makes the battery work: Quercetin, a pigment found in almonds and capers, serves as the battery cathode, whereas riboflavin (vitamin B2) makes up the battery anode. —Rupendra Brahambhatt, Ars Technica, 9 May 2023

Avocados are packed with monounsaturated fats, fiber, vitamins C, E, K, and B-6, and nutrients like riboflavin, niacin, folate, pantothenic acid, magnesium, and potassium. —Nick Blackmer, Verywell Health, 6 Nov. 2023

There are also supplements and vitamins that have been found to control excess sebum production, such as vitamins B6 and B2 (riboflavin). —Danielle Sinay, Glamour, 5 Oct. 2023

Word History

Etymology

International Scientific Vocabulary ribo- + Latin flavus yellow — more at blue

First Known Use

1935, in the meaning defined above

Kids Definition

riboflavin

noun

ri·​bo·​fla·​vin ˌrī-bə-ˈflā-vən 

: a vitamin of the vitamin B complex that helps growth and is found both free (as in milk) and combined with other substances (as in liver)

called also vitamin B₂

Medical Definition

riboflavin

noun

ri·​bo·​fla·​vin ˌrī-bə-ˈflā-vən, ˈrī-bə-ˌ 

variants also riboflavine

-ˌvēn 

: a yellow crystalline compound C₁₇H₂₀N₄O₆ that is a growth-promoting member of the vitamin B complex and occurs both free (as in milk) and combined (as in liver)

called also lactoflavin, ovoflavin, vitamin B₂