Published in March 2007
Prepared by Jessica Hookham
Reviewed by Gloria Tsang, RD
Common names
Vitamin B12, Cyanocobalamin, Cobalamin
Recommended Intake
Males & Females ≥ 19 years: 2.4 ug/day
Because 10 to 30% of older people may malabsorb food-bound B12, it is advisable for those older than 50 years to meet their recommendation mainly by consuming foods fortified with B12 or a supplement containing B12.
What's Vitamin B12 for?
Helps release energy from carbohydrates, fat, and protein
Activates the metabolically active form of folate
Prevents anemia
Involved in nervous system maintenance, blood cell formation, and bone metabolism
Best Food sources
Meat, poultry, fish, eggs, milk and milk products
Found in vitamin B12 fortified foods, such as breakfast cereals
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