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Here are some symptoms of vitamin B12 deficiency
A precursor folic acid molecule must interact with the enzyme MTHFR (methylenetetrahydrofolic acid) to become 5-methyltetrahydrofolic acid (5-MTHF)
Early trials reported it to be generally well tolerated at low doses, but these studies were small and of short duration
B12 also plays a role in maintaining your nerve cells, helping them work properly and keeping your brain sharp
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