Vitamin B12: How much do we need, what are the basic functions of the

Vitamin B12 is considered essential for the human body, since it plays a key role in functions, such as in…
the creation of red blood cells, the function of the nervous system, the regeneration of the DNA in all the cells etc.
The daily requirement of vitamin B12 amounting to 2.4 μg, while for years, Danish researchers report that the recommended daily intake should be increased by 500%. In a scientific article published in the American Journal of Clinical Nutrition indicated that the desired daily intake should be in the 6μg with the purpose of to correct problems and parameters associated with the adequacy of vitamin B12.
The failure to reach agreement on the international recommendations raises questions and concerns, in particular when the lack of vitamin B12, according to studies, is associated with more and more problems that define the standard of living for all. More specifically, the lack of vitamin B12 has been associated strongly with cognitive function and impaired with age, but also with the nervous function and mood, situations that strongly influence a large number of people, but also those around them. In control of cognitive function, which took place in the context of the Chicago Health and Aging Project found that people with lack of vitamin B12 showed a much lower score. The fact was attributed to two indicators that are particularly heightened in these cases, the levels of homocysteine and μεθυλομαλονικού acid. The high values of the indicators it seems that are responsible for the reduction in the size of the brain, but the reduced intake of vit.
In addition, in accordance with the publication of the Department of Health of Harvard University, by the mouth of Patrick Skerrett, people older than 50 years with low levels of vitamin B12 showed a loss of sense of touch, numbness of the extreme hands, problems walking, pain in the joints and reduction of the respiratory capacity. These results were published in The New England Journal of Medicine. This article reports that in a stronger lack, the person can be driven into a deep depression, memory loss, loss of taste and smell and other unwanted situations. The data are considered to be of crucial importance, since when someone is experiencing these symptoms, led to more worrying thoughts about his health.
Modern studies show that these negative effects can be managed or better still be prevented by the adequacy of vitamin B12 in the diet or through additional allocation. At greater risk are people who exhibit a range of symptoms such as strange sensation in the fingers or toes, lack of balance when walking, anemia, swollen tongue, a decrease in the speed of thinking or memory loss, weakness, and fatigue. Such symptoms are often vegans who do not supplement their diets with vitamin B12, individuals who have undergone gastric surgery for weight loss and people with celiac disease or Crohn’s disease.
To cover the needs of vitamin B12 requires the consumption of animal food, since only there is. The best dietary sources are red meat, poultry, eggs, shellfish, milk and other animal products. Some plant foods are enriched with B12.It should be mentioned that often the vitamin B12 deficiency is not only due to reduced intake and poor absorption. The process of absorption of B12 consists of a series of steps. Every problem along the digestive tract may affect the absorption of.
Hellenic Institute Of Nutrition
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