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Can vitamin B12 supplements improve memory?

Poor memory and confusion can be symptoms of vitamin B12 deficiency. In people who are deficient in vitamin B12 and are experiencing these symptoms, taking supplements of vitamin B12 may improve mental functioning. But there is no solid scientific proof that taking vitamin B12 supplements can improve memory or mental functioning in people who are not deficient in vitamin B12. Talk to your doctor for more information about vitamin B12.

Continue Learning about Vitamin B12

Which foods are good sources of vitamin B12?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Vitamin B12 is found in fortified foods (such as breakfast cereals) and in foods from animal sou...
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Should I take vitamin B12 supplements?
Joan Salge Blake, MS, RDJoan Salge Blake, MS, RD
The body’s ability to absorb naturally occurring vitamin B12 from foods diminishes with age. This de...
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What can I do to bring my B12 up?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Talk to your doctor about the best ways to bring up your body's levels of vitamin B12. Your doct...
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What is the recommended dietary allowance (RDA) of vitamin B12?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
The recommended dietary allowance (RDA) of vitamin B12 varies depending upon your age. For child...
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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.