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 potentially cause permanent damage to the brain and central nervous system. Vitamin B-12 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 B-12 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 B-12 can last for up to a year. Below is a list of the top ten vitamin b12 rich foods.

   Eggs

When it comes to chicken eggs the raw yellow has most of the vitamin B-12 with 1.95μg per 100g serving (33%), however, this equates to 0.33μg per yolk or just 6% of the RDA. The eggs of other animals are higher with a goose egg providing 7.34μg (122% RDA) of vitamin B-12 per 100g serving, and a duck egg providing 3.78μg (63% RDA).

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