Foods High in Vitamin B12

Vitamin B-12, or Cobalamin, is the largest and most complex vitamin currently known to man. A slight deficiency of vitamin B-12 can lead to anemia, fatigue, mania, and depression, while a long term deficiency can cause permanent damage to the brain and central nervous system. Vitamin B12 can only be manufactured by bacteria and can only be found naturally in animal products, however, synthetic forms are widely available and added to many foods like cereals. Vitamin B12 can be consumed in large doses because excess is excreted by the body or stored in the liver for use when supplies are scarce. Stores of B12 can last for up to a year. Below are the top 10 foods highest in vitamin B12 by common serving sizes, click here for high vitamin B12 foods by nutrient density, here for an extended list of vitamin B12 rich foods, and here for other foods high in vitamin B. For even more see the articles for vegan and vegetarian sources of vitamin B12.
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