Golfgal profile image 88

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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Hellcat profile image60

Hellcat says

5 years ago
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Golfgal profile image88

Golfgal says

5 years ago
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Tatjana-Mihaela profile image84

Tatjana-Mihaela says

5 years ago
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artist101 profile image84

Sherrie Westerfield, Cpht (artist101) says

4 years ago
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