cyanocobalamin
noun
cy·a·no·co·bal·a·min
ˌsī-ə-nō-kō-ˈba-lə-mən 
sī-ˌa-nō-
variants
or less commonly cyanocobalamine
ˌsī-ə-nō-kō-ˈba-lə-ˌmēn
sī-ˌa-nō-
Examples of cyanocobalamin in a Sentence
Recent Examples on the Web
Studies suggest that a B12 (cyanocobalamin) and B9 (folate) deficiency may increase the risk of cognitive decline and depression.
—
Sarah Anzlovar, Ms, Rd, Verywell Health, 10 Jan. 2025
Despite some research questioning the efficacy of cyanocobalamin versus methylcobalamin (a natural form of vitamin B12), both forms of vitamin B12 are used in supplements and are considered effective.
—Allison Knott, Ms, Rdn, Cssd, Health, 26 Sep. 2024
This vitamin can be found as methylcobalamin or cyanocobalamin, with the former being the natural form found in food and the latter being synthetic.
—Casey Seiden, Verywell Health, 19 June 2024
Some multivitamins will have a synthetic form of B12 known as cyanocobalamin, while others will have a naturally occurring form known as methylcobalamin.
—Anne Cook Carroll, Verywell Health, 15 May 2024
Each pill provides 1000 mcg cyanocobalamin (the synthetic form of B12 that the body tends to absorb very well) and should be taken daily with a meal and water.
—Good Housekeeping, 28 Aug. 2023
These forms have a greater bioavailability (absorption) and are considered the preferred form in supplements.3 However, the synthetic cyanocobalamin form can still be used for B12 supplements especially if absorption is not an issue.
—Isabel Vasquez Rd Ldn, Health, 30 May 2023
Vitamin B12 will likely be listed as cyanocobalamin, adenosylcobalamin, methylcobalamin, or hydroxocobalamin.
—Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023
This supplement provides vitamin B12 in the form of cyanocobalamin.
—Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Sarah Anzlovar, Ms, Rd, Verywell Health, 10 Jan. 2025
Despite some research questioning the efficacy of cyanocobalamin versus methylcobalamin (a natural form of vitamin B12), both forms of vitamin B12 are used in supplements and are considered effective.
—Allison Knott, Ms, Rdn, Cssd, Health, 26 Sep. 2024
This vitamin can be found as methylcobalamin or cyanocobalamin, with the former being the natural form found in food and the latter being synthetic.
—Casey Seiden, Verywell Health, 19 June 2024
Some multivitamins will have a synthetic form of B12 known as cyanocobalamin, while others will have a naturally occurring form known as methylcobalamin.
—Anne Cook Carroll, Verywell Health, 15 May 2024
Each pill provides 1000 mcg cyanocobalamin (the synthetic form of B12 that the body tends to absorb very well) and should be taken daily with a meal and water.
—Good Housekeeping, 28 Aug. 2023
These forms have a greater bioavailability (absorption) and are considered the preferred form in supplements.3 However, the synthetic cyanocobalamin form can still be used for B12 supplements especially if absorption is not an issue.
—Isabel Vasquez Rd Ldn, Health, 30 May 2023
Vitamin B12 will likely be listed as cyanocobalamin, adenosylcobalamin, methylcobalamin, or hydroxocobalamin.
—Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023
This supplement provides vitamin B12 in the form of cyanocobalamin.
—Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023
Cite this Entry
“Cyanocobalamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyanocobalamin. Accessed 3 May. 2025.
Copy CitationMedical Definition
cyanocobalamin
noun
cy·a·no·co·bal·a·min
-kō-ˈbal-ə-mən
variants
also cyanocobalamine
Love words? Need even more definitions?
Merriam-Webster unabridged
Share