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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.

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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.