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A 52-year-old female asked:

My vitamin b12 levels have gone from 800 to 1200 in one month even though i have stopped taking multi vitamin supplements. im vegetarian. im 55 and worried sick i have cancer?

1 doctor answer2 doctors weighed in
Dr. Bennett Machanic
Neurology 54 years experience
You do not tell us why you believe you have cancer. Your vitamin B12 levels are fine. Suggest you seek out your regular doctor and undergo a full physical exam, including blood tests, a chest X-ray, and possibly a colonoscopy.
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Last updated Dec 19, 2022


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