12/11/2025
Vitamin B12 is required for the function and development of many parts of the body, including the brain, nerves, and blood cells.
Methylcobalamin is the active form of Vitamin B12. Cyanocobalamin, which must be processed by the body into the active form, is the most common type used in supplements.
Vitamin B12 is generally safe for most people, even in large doses. There are also many foods that are natural sources of Vitamin B12, including:
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Animal liver and kidneys
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Clams
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Beef
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Milk and dairy products
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Eggs
It is recommended to have a balanced diet that regularly includes these foods, in order to prevent Vitamin B12 deficiency.
If you are considering Vitamin B12 supplementation, consult your healthcare provider.