A member asked:

Is a lack of intrinsic factor the only cause of a b12 deficiency assuming one eats plenty of meats and dairy? how can intrinsic factor be rebuilt?

4 doctors weighed in across 2 answers

It Depends: Some people have antibodies against intrinsic factor of some had stomach removed, these people will need to take B12 forever...

Answered 3/9/2015

5.2k views

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No: There are many reasons: surgery, malabsorption and medication are the 3 principal causes.

Answered 3/9/2015

5.2k views

Thank

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