Quote:
Originally Posted by mrsD
1) inherited pernicious anemia or autoimmune damage to the parietal cells of the stomach?
2) or, taking acid blocking drugs every day, or metformin?
3) or having the MTHFR mutation which is becoming fairly common (up to 40% predicted to have this).
4) malabsorption due to inflamed intestines (Crohn's disease) or
gluten intolerance.
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Thank you mrsD for your detailed reply. However, how can I find out
which of the above causes are responsible for my low B12 levels?
Also, I am complete vegetarian (from India) and my brother and both sisters have found to have low B-12 levels in their test. Can it be hereditary?