A member asked:

I have pernicious anemia i don't take my b12 shot as directed before my regular check up and my levels show up fine. what does it mean?

A doctor has provided 1 answer

Diagnosis confirmed?: Some people with PA can absorb some B12 orally, just not efficiently. Furthermore, B12 can last a while in the body before being depleted. If B12 is administered as injection intermittently, that may be enough to keep levels normal.

Answered 6/24/2014

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