Golfgal profile image 89

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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Tatjana-Mihaela says

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Sherrie Westerfield, Cpht (artist101) says

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4 years ago
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Hellcat says

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