How vit b12 is getting low in the body? Why vegetarians and vegans who don't eat non veg do not have vit b12 deficiency? Is it because of other tablets prescribed? How can I increase the level without having non veg, injection and tablets? Any genuine people doctor here who can tell the exact root cause? I am a non veg who eats veg. Vit b12 level - 133.

Dear lybrate-user, b12 deficinecy is actually more common in vegetarians. It is possible you may have less acid production in the stomach due to some cause-some medicines and excessive use of antacids can also cause this. An intrinsic factor deficiency can also be a cause. You can get an intrinsic factor antibody test to rule this out. In any case, supplements or injections of vitamon b12 can help you get your levles back to normal, though it could take a few weeks to show any result take care.  

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