vitamin B12
noun
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
Conversely, the study found a positive relationship between high levels of magnesium and those of folate and vitamin B12.
—
Michael Franco, New Atlas, 14 Aug. 2024
Foods rich in vitamin B12 Vitamin B12 is found exclusively in animal products, which is why vegetarians are typically low in the nutrient.
meat
liver
fish
shellfish
shellfish
milk
eggs
Plant foods are not a source of vitamin B12.
—Veronica Cristino, Vogue, 11 Aug. 2024
This bar also contains 100% of the Daily Value of vitamin B12 and bovine collagen.
—Shushy Rita Setrakian Ms, Rd, Health, 9 Aug. 2024
Diseases that may affect cognitive function include vascular dementia, depression, thyroid disease, sleep apnea and even vitamin B12 deficiency.
—Sandee Lamotte, CNN, 28 July 2024
The shrimp has essential nutrients like vitamin B12, selenium and zinc.
—Bethany Thayer, Detroit Free Press, 27 July 2024
Research has shown that caviar is high in calcium and also boasts benefits in the form of Omega-3 fatty acids and vitamin B12.
—Amy Drew Thompson, Orlando Sentinel, 17 July 2024
May Support Brain Function Similar to your heart, your brain relies on omega-3 fatty acids and vitamin B12 to function at its best.
—Devineé Lingo, M.s., Health, 16 July 2024
Supplemental folic acid may: Mask a vitamin B12 deficiency.
—Elizabeth Barnes, Verywell Health, 16 July 2024
Michael Franco, New Atlas, 14 Aug. 2024
Foods rich in vitamin B12 Vitamin B12 is found exclusively in animal products, which is why vegetarians are typically low in the nutrient.
meat
liver
fish
shellfish
shellfish
milk
eggs
Plant foods are not a source of vitamin B12.
—Veronica Cristino, Vogue, 11 Aug. 2024
This bar also contains 100% of the Daily Value of vitamin B12 and bovine collagen.
—Shushy Rita Setrakian Ms, Rd, Health, 9 Aug. 2024
Diseases that may affect cognitive function include vascular dementia, depression, thyroid disease, sleep apnea and even vitamin B12 deficiency.
—Sandee Lamotte, CNN, 28 July 2024
The shrimp has essential nutrients like vitamin B12, selenium and zinc.
—Bethany Thayer, Detroit Free Press, 27 July 2024
Research has shown that caviar is high in calcium and also boasts benefits in the form of Omega-3 fatty acids and vitamin B12.
—Amy Drew Thompson, Orlando Sentinel, 17 July 2024
May Support Brain Function Similar to your heart, your brain relies on omega-3 fatty acids and vitamin B12 to function at its best.
—Devineé Lingo, M.s., Health, 16 July 2024
Supplemental folic acid may: Mask a vitamin B12 deficiency.
—Elizabeth Barnes, Verywell Health, 16 July 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vitamin B12.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near vitamin B12
Cite this Entry
“Vitamin B12.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20B12. Accessed 24 Aug. 2024.
Copy CitationMedical Definition
vitamin B12
noun1
: 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share