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1000 mcg of Vitamin B12 daily for the first week , followed by 1000 mcg weekly for four weeks to restore proper levels.
Sometimes, skin or blood tests may be used to identify underlying causes
This may be because the ability to absorb vitamin B12 effectively Other factors Risk factors for having a vitamin B12 deficiency may include: high alcohol intake AIDS some inherited conditions How much vitamin B12 do I need
Cell Host Microbe 21 , 671.e4 (2017)
Investigations in this area are still ongoing
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