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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
Plus, nutritional yeast is a vegan source of vitamin B12 and other B vitamins such as vitamin B6, riboflavin, niacin, and folate.28
19.
—Jamie Johnson, Verywell Health, 6 Feb. 2025
There are a series of vitamins found in eggs, including vitamins A, B12, D, E, biotin, riboflavin and thiamine.
—Olivia Munson, USA TODAY, 30 Jan. 2025
These include calcium, vitamins D (when fortified) and B12, niacin, phosphorus, riboflavin, pantothenic acid.
—Maxine Lipner, Verywell Health, 10 Jan. 2025
Maple syrup has a higher concentration of nutrients such as potassium, calcium, riboflavin, and zinc.
—Lauren O'Connor, Ms, Health, 6 Jan. 2025
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Word History
Dictionary Entries Near riboflavin
Cite this Entry
“Riboflavin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/riboflavin. Accessed 12 Feb. 2025.
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
: 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
More from Merriam-Webster on riboflavin
Britannica.com: Encyclopedia article about riboflavin
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