No: B12 deficiency is often seen in vegetarians as well as those with low stomach acid levels. Taking over the counter Methylated. B12 helps. If you feel lightheadedness, you should see your physician right away to get checked for possible anemia from B12 or iron deficiency. You can also get your thyroid hormone levels checked as well. Drink lots of water and take B complex vitamins with breakfast
Answered 4/4/2015
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