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Vitamin B12 source

Vitamin B12 source

The human body stores several years' worth of vitamin B12, so nutritional deficiency of this vitamin is extremely rare. However, people who follow a strict vegetarian diet and do not consume eggs, dairy products, or fortified grains may need vitamin B12 supplements.






Review Date: 5/21/2012
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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