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Description
April 5, 2001

The main histopathological finding in vitamin B12 deficiency is a loss of myelin in the white matter of the spinal cord (posterior and lateral columns) and of peripheral nerves, and to a lesser degree in the brain [7]

Most users find 250-500 mcg daily balances effectiveness with tolerability

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[DOI] [PMC free article] [PubMed] [Google Scholar] 26.Stambolija V., Stambolija T.P., Holjevac J.K., Murselovic T., Radonic J., Duzel V., Duplancic B., Uzun S., Zivanovic Posilovic G., Kolenc D., et al

Low levels have been linked to several issues, including a decline in brain function and a possible link to depression
