A 28-year-old female asked:
is it harmful to take too much vitamin b12? im taking 2500mcg daily.
1 doctor answer
Dr. Ed Friedlander answered
43 years experience Pathology
No: It's very safe. If you are taking it as an oral supplement, be sure you are able to absorb it by this route -- many people who are deficient cannot. Your physician knows how to tell. Best wishes.
Answered on May 26, 2017
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