Health Care Encyclopedia
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Vitamin B12 source The human body stores several years' worth of vitamin B12, so nutritional deficiency of this vitamin is extremely rare. Although, people who follow a strict vegetarian diet and do not consume eggs or dairy products may require vitamin B12 supplements.

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| Review Date: 10/27/2004 12:00:00 AM Reviewed By: Kevin Pho, MD, Attending, Internal Medicine, Boston VA Medical Center, Boston, MA. Review provided by VeriMed Healthcare Network.
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