Golfgal profile image 83

Is there a medical reason vitamin B-12 levels below 200 do not respond to oral supplements


if testing for intrinsic factor was normal and supplements are taken for months with little progress. what would cause the body to do this?

 

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Golfgal says

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6 years ago
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Sherrie Westerfield, Cpht (artist101) says

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Hellcat says

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Tatjana-Mihaela says

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