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Any studies linking vitamin B12, melatonin, and sleep
Is there a study out there that links vitamin B12 specifically with lowered or raised melatonin? And related to that, is there any relation to high amounts of B12, and lack of sleep or other sleep ...
8
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2
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Can too much B12 be harmful?
While I know that B12 is water-soluble vitamin and (as I understand it) it should be naturally expelled from the body, is this really the case even with continuously high intakes, eg. 1000mcg/day for ...