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.
Review Date: 03/14/2009
Reviewed By: Linda Vorvick, MD, Family Physician, Seattle Site Coordinator,
Lecturer, Pathophysiology, MEDEX Northwest Division of Physician
Assistant Studies, University of Washington School of Medicine.
Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M.,
Inc.













