Vitamin B12 (cobalamin)
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Vitamin B12 (cobalamin) is one of the water-soluble vitamins and influenced a number of basic metabolic processes in the body. An important role is played by vitamin B12, for example, for the formation of red blood cells.
Animal products such as meat, fish, eggs and milk are the main sources of vitamin B12. however, plants contain almost no vitamin B12. Most people can their vitamin B12 needs easily through the daily food cover.
But those who purely vegetarian fed and also dairy products and eggs waived (vegans), almost does not absorb vitamin B12 to over food. Vegetarians who regularly milk, dairy products or eggs consumed (lacto-vegetarian or lacto-ovo-vegetarians), however, do not have to worry about undersupply with vitamin B12.
The human liver is to be able to as much vitamin B12 to save, that, theoretically, the need for three years is covered. Takes an otherwise healthy person no vitamin B12 more, the lack therefore becomes apparent only after a long time. In addition to a purely vegetable diet, various diseases can lead to a vitamin B12 deficiency.
Since vitamin B12 involved in the formation of red blood cells, can develop anemia in a deficiency. This may lead to symptoms such as fatigue and pallor - even neurological symptoms such as unsteadiness or tingling in hands and feet are possible with a vitamin B12 deficiency.
Depending on the cause has a vitamin B12 deficiency and how strong he is pronounced the victim Vitamin B12 must different amounts and for different lengths of time out, partly for life. If a defect is discovered, often takes at least initially, a therapy in which the vitamin is injected as long as regularly until the formation of blood has recovered and the stores are full again.
Depending on the situation it can be to make sense, in addition to a balanced diet Vitamin B12 supplements take.