Vitamin B 12

Were you looking for information about Vitamin B12? Vitamin B 12 is a common misspelling of vitamin B12.
People with severe vitamin B12 deficiencies may develop serious problems, such as permanent nerve damage and anemia. The vitamin is essential for healthy blood and nerve cells, as well as for making DNA. Those who have difficulty absorbing it into their bloodstream may require vitamin B12 supplementation, which comes in the form of injections, nasal sprays, tablets, and capsules. You should consult your healthcare provider before taking the supplement if you are pregnant, have cobalt sensitivity, or have any allergies.
(Click Vitamin B12 for more information about this vitamin, including what benefits it provides, what it is used for, and what side effects may occur. You can also click any of the links in the box to the right for specific information.)
Last reviewed by: Kristi Monson, PharmD
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