Vitamin B12 101
Feeling tired? Find out how Vitamin B12 may help.Watch More Health Videos at Health Guru: http://www.healthguru.com/?YT
Duration : 0:2:22
Tags: anemia, B12, drug, energy, fitness, food, health, home, lethargic, medicine, mineral, nutrition, pharmacy, pregnant, sluggish, symptom, tired, vitamin, weakness