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Do we need vitamin B12
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No matter how we try to feed properly,very difficult to maintain a nutritious diet every day (apart from
prices of the nutrients).
Another barrier...
This belongs to complex B vitamin was discovered in 1948. It is also known as cobalamin because their chemical structures found in cobalt. It occurs in different forms being the most active of hydroxocobalamin and cyanocobalamin. It is essential for our body to function well, since without this vitamin the body can not make red blood cells. The nervous system, heart and brain do not develop well their functions, cobalamin is not at appropriate levels.
Vitamin B12 is stored in the liver (80%) metabolism is using the body as needed, the quantities that are stored can meet our needs for a period of 3 to 5 years.
The cobalamin is obtained through food proteins of animal origin, during the digestive process, this requires the participation of enzymes in the gastric juice and a component called intrinsic factor. When there is a deficit of atrophic gastritis or intrinsic factor, you may receive a lack of this vitamin. This usually occurs in people over 50 years and affects 40% of people aged over 80 years.
Functions:
* Involved in the synthesis of DNA, RNA and proteins
* Intervenes in the formation of red blood cells.
* Maintain the myelin sheath of nerve cells
* Participates in the synthesis of neurotransmitters
* It is necessary in the transformation of fatty acids into energy
* Helps maintain energy reserve of the muscles
* Intervenes in the functioning of the immune system
* Needed for metabolism of folic acid.
