If you are truly deficient in vitamin B12, the amount of B12 in a centrum may raise the level a little bit but it can't normalize it. To say the other way, if centrum gives you enough B12 how can you have B12 related anemia? So you do not or should not need to stop the medications you are currently take before the blood test. Good luck.
Answered 6/17/2023
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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