Vitamin B12: How To Prepare


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How To Prepare


Do not eat or drink (other than water) for 10 to 12 hours before the test.



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Last updated: February 14, 2007
Author: Jan Nissl, RN, BS
Reviewed By: Kathleen Romito, MD - Family Medicine, Brian Leber, MDCM, FRCPC - Hematology
Editors: Susan Van Houten, RN, BSN, MBA, Tracy Landauer

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