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How does vitamin B12 help the brain?

Vitamin B12 is involved in the function and development of the brain, nerve cells, the myelin sheaths that protect nerves, and blood cells. Vitamin B12 is sometimes taken to treat memory loss, poor concentration, and Alzheimer’s disease and to boost your mood or energy levels. Deficiencies in B12 can make your body unable to produce the protective myelin and can lead to nerve damage, cognitive problems and memory loss.

Continue Learning about Vitamin B12

Who should consider taking a vitamin B12 supplement?
Joan Salge Blake, MS, RDJoan Salge Blake, MS, RD
If you are over the age of 50, you may benefit with a supplement. The body’s ability to absorb na...
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How much B12 should I take for peripheral neuropathy?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Talk to your doctor about how much vitamin B12 you would need to treat peripheral neuropathy, a ...
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Who should not take B12?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Because it is not quite clear if B12 causes harm to a developing fetus, pregnant women should ta...
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Is it safe to take vitamin B12 after heart surgery?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Some research shows that in people who have had surgery to insert a stent into an artery, taking...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.