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Can excess vitamin B12 cause muscle cramps?

200 The same research group conducted a randomized placebo-controlled trial in 56 elderly participants (28 women and 28 men) with age-related declines in DHEA-S levels

According to the National Institutes of Health, even at high levels, B12 isnt toxic and is generally considered safe because your body doesnt store excess amounts

Oct 3 2012;20(1):42
