Vitamin B12: Where Its Contained
Vitamin B12 is water-soluble. It is not synthesized in the body, but this is the only vitamin which can accumulate in the kidneys, liver, lungs, spleen. This vitamin is known as cyanocobalamin, is resistant to light and heat, so it is better to preserve in food.
Sources of Vitamin B12
The sources are animal products. A little amount of it is found in plants such as hops and soybeans, lettuce, spinach, yeast, seaweed. To get your daily dose of vitamin B12 you need to have these products in large quantities.
Most of this product is contained in the kidneys, veal and beef liver, egg yolks, nonfat dry milk, salmon, sardines, herring, crabs, oysters.
Slightly less than this vitamin found in pork, beef, meat, chicken, seafood, hard cheese, fermented milk products.
In a small amount of vitamin B12 is found in home soft cheese and liquid milk. Thus, people who adhere to a vegetarian style food, be sure to use synthetic vitamin B12 because of the diet.
For an adult it’s enough to consume 2.4 mcg. vitamin B12 per day. Pregnant and lactating women need vitamin 2-4 times more. Elderly, vegetarians, lovers of alcoholic drinks, smokers must also take in pill form cyanocobalamin or vitamin complexes.
Importance of Vitamin B12 for Human Health
Lack primarily causes the development of central nervous system diseases. Deficiency of this vitamin can lead to serious diseases, such as multiple sclerosis, in which myelin layers are destroyed. Because of this process paralysis arises and dramatically shortens life.
Without vitamin B12 can’t happen normal metabolism of fats, carbohydrates and proteins, as without him can’t function other biologically active substances. This vital process as synthesis in cell nuclei DNA and RNA containing the entire human genetic information is only possible in conjunction with vitamin B12.
Lack of cyanocobalamin is the cause of:
- disease of the gastrointestinal tract, as poorly digested food,
- dizziness, headaches;
- visual disturbances and memory until the occurrence of hallucinations
Even a slight lack of vitamin B12 in the body may cause serious harm to the nervous system and brain. Therefore, it is necessary to monitor the use of cyanocobalamin to be sufficient.