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The vitamin also supports metabolic activity within the muscle tissue, which may aid in injury recovery or chronic muscular dysfunction

OM & Ernhrung 124 (2008) F2 F21 2 Ariel Miller, Maya Korem, Ronit Almog, Yanina Galboiz, Vitamin B12, demyelination, remyelination and repair in multiple sclerosis, Journal of the Neurological Sciences, Volume 233, Issues 12, 15 June 2005, Pages 93-97, ISSN 0022-510X, 3 Reynolds EH, Bottiglieri TT, Laundy MM, Crellin RF, Kirker SC

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Its involvement in the fat metabolism process has prompted researchers to study the effects of B12 deficiency on obesity

This vitamin is key for making red blood cells, nerve function, and DNA

For people without a deficiency, benefits may be subtle or minimal