vitamin B12

noun
\ -ˈbē-ˈtwelv How to pronounce vitamin B{inf}12{/inf} (audio) \

Definition of vitamin B12

1 : a complex cobalt-containing compound C63H88CoN14O14P that occurs especially in liver, is essential to normal blood formation, neural function, and growth, and is used especially in treating pernicious and related anemias and in animal feed as a growth factor

called also cyanocobalamin

2 : any of several compounds similar to vitamin B12 in action but having different chemistry

Examples of vitamin B12 in a Sentence

Recent Examples on the Web Nutritional yeast can also add some vitamin B12 but would need to be eaten daily to provide enough, Majumdar added. Lisa Drayer, CNN, 15 Aug. 2021 Tiger Tea boosts hair strength with turmeric, cinnamon, ginger, ashwagandha, vitamin B12, zinc and biotin. Bridget Arsenault, Forbes, 29 May 2021 In addition, your tongue may burn and feel dry, which has to do with malabsorption of vitamin B12, folate, and iron, the Celiac Disease Foundation reports. Jessica Migala, Health.com, 2 June 2021 Crab brings a fresh, briny, succulence to the plate, along with lean protein, minerals and a good amount of vitamin B12, while avocado counters with buttery richness from its healthy fat, plus plenty of folate and fiber. Washington Post, 27 May 2021 Shrimp are a super source of additional vitamins and minerals including: selenium, vitamin B12, phosphorus, choline copper, and iodine. Jennifer Nelson, Southern Living, 17 Apr. 2021 Add foods and high-quality supplements such as turmeric, omega-3s, vitamin B12, ginkgo biloba, phosphatidylserine, citicoline and acetyl-l-carnitine to enhance mental clarity and cognitive function. Serena Poon, Forbes, 24 Feb. 2021 Insufficient vitamin B12 or copper could affect blood counts. New York Times, 18 Feb. 2021 Getting key nutrients like protein, calcium, vitamin B12 and vitamin D (crucial for calcium absorption) from plants requires higher amounts than what are federally recommended since plant nutrients are less easily absorbed, Tucker said. Kristen Rogers, CNN, 22 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vitamin B12.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vitamin B12

1948, in the meaning defined at sense 1

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The first known use of vitamin B12 was in 1948

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Dictionary Entries Near vitamin B12

vitamin B

vitamin B12

vitamin B2

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Last Updated

29 Sep 2021

Cite this Entry

“Vitamin B12.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20B12. Accessed 24 Oct. 2021.

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More Definitions for vitamin B12

vitamin B12

noun
\ -ˈbē-ˈtwelv How to pronounce vitamin B{inf}12{/inf} (audio) \

Medical Definition of vitamin B12

1 : a complex cobalt-containing compound C63H88CoN14O14P found in animal products (as meat and eggs) that is essential to normal blood formation, neural function, and growth and is used especially in treating pernicious and related anemias and in animal feed as a growth factor

called also cyanocobalamin

2 : any of several compounds similar to vitamin B12 in action but having different chemistry

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