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Diagnosis usually entails measuring serum levels of vitamin B12 or identifying elevated levels of methylmalonic acid and homocysteine
Warnings: You should seek medical advice regarding medications and use only as directed by a healthcare professional
Other compounds share this cellular-level approach
Advertisement If you have pernicious anemia, youll need to take vitamin B12 supplements regularly for the rest of your life
People without a deficiency should not take megadoses of B12
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