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B Vitamins Halt Brain Decay


brain Buzzz! That’s your brain on B vitamins. It turns out that supplementing with these simple, straightforward vitamins could reduce brain atrophy and slow the development of dementia, according to researchers from the University of Oxford. What’s more: they feel that their findings could be the first step towards finding a way to delay the onset of Alzheimer’s disease.

According to their study, published in the journal Public Library of Science One, people with mild cognitive impairment (MCI) who took B vitamins for two years showed markedly deceleration of atrophy.

B vitamins are known to lower homocysteine levels, an amino acid that has been shown to contribute to wasting in the brain or atrophy when in high levels in the blood. Several epidemiological studies have linked it to dementia. This study followed 168 people for two years and found that those taking B vitamin supplements had on average 30% less brain shrinkage and a lowering of homocysteine concentration in the blood by 31.7%.

Researchers concluded that an accelerated rate of brain atrophy in elderly people with mild cognitive impairment could be slowed via dietary supplementation with homocysteine-lowering B vitamins and that further trials are needed to test the methods on the development of Alzheimer’s disease.


David Smith, A. et al. Public Library of Science One. Published ahead of print, doi: 10.1371/journal.pone.0012244

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One response to “B Vitamins Halt Brain Decay”

  1. […] larger studies are needed. The current findings on B12 parallel other exciting research regarding B vitamins and brain function. One recently published study found that high doses of B vitamins (specifically B12, B6 and folic […]