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A member asked:
My daughters b-12 level is on the high side but her white blood cells are normal. what should be her next step to find out the cause of her high b-12?
A doctor has provided 1 answer
Multivitamins?: The most common cause of high B12 is intake of supplements. High level detected in blood tests have not had proven adverse effects, only low levels can cause pernicious anemia and neurologic difficulties.
Answered 6/24/2014
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