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A member asked:
Is 1000 iu of vitamin b12 too much?
A doctor has provided 1 answer
Check levels first: As a supplement or replenishing a B12 deficiency? I would check the B12 levels first to make sure. Unless you have no meat intake or have difficulties with absorbing in stomach from a stomach surgery or have pernicious anemia.
Answered 6/3/2019
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