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United States Department of Agriculture

Agricultural Research Service

Vitamin B12 - podcast / USDA Agricultural Research Service



A gloved hand holding a vial of blood shown next to another hand with a drop of blood on the index finger.

Vitamin B12

An improved vitamin B12 test may help young and old alike.

Audio Podcast: (1 min. 54 sec.)   mp4  |  wmv  |  Transcript

Last Modified: 4/3/2015