Vitamin B12 (Cyanocobalamin)
Vitamin B12 - the only water-soluble vitamin that can accumulate in the body - it is deposited in the liver, kidneys, lungs and spleen.
Sources of vegetable
Seaweed, soy and soy products, yeast, hops
Sources of animals
Liver, kidneys, beef, poultry, fish, eggs, milk, cheese, oysters, herring, mackerel
Action
Cyanocobalamin has a marked hypolipidemic effect, he warns fatty liver, increases oxygen consumption by cells in acute and chronic hypoxia.
Vitamin B12 is involved in transmethylation, hydrogen transport, activates the synthesis of methionine. Leveraging the synthesis and the ability to accumulate protein in the body, uianookbalamin also provides an anabolic effect.
Increasing the phagocytic activity of leukocytes and activating activity of the reticuloendothelial system, tsianookbalamin enhances immunity. Low levels of cyanocobalamin twice accelerates disease progression in people with AIDS.
Also, vitamin B12 plays an important role in regulating the function of hemopoietic organs: it participates in the synthesis of purine and pyrimidine bases, nucleic acids necessary for the process of erythropoiesis, an active influence on the accumulation in erythrocytes of compounds containing sulfhydryl groups.
Depends on the availability of cyanocobalamin wide range of emotional and cognitive abilities. Maintaining an optimal level of this vitamin helps prevent depression, dementia and confusion of thought, helping to curb the decay of mental activity as a result of AIDS.
Vitamin B12 helps to overcome insomnia, and helps to adapt to changes in sleep and wakefulness, which is explained by the participation of cyanocobalamin in the synthesis of melatonin.
Cyanocobalamin helps normalize low blood pressure.
Vitamin B12 is one of the substances necessary for the health of the reproductive organs of men and women, so he is able to correct the reduction of sperm in the seminal fluid.
Daily maintenance
Age, years - B12, mcg
0-1/2 - 0,4
1/2-1 - 0,5
3.1 - 1.0
4.6 - 1.5
7-10 - 2.0
Men
11-14 - 3,0
15-18 - 3,0
19-59 - 3,0
60-74 - 3,0
Older than 75 - 3,0
Women
11-14 - 3,0
15-18 - 3,0
19-59 - 3,0
60-74 - 3,0
Older than 75 - 3,0
Pregnant - 4,0
Breastfeeding - 4,0
The need for cyanocobalamin increases with alcohol consumption and smoking.
Also, supplementation of cyanocobalamin required for vegetarians, because This vitamin is found mainly in foods of animal origin.
Increased need for vitamin B12 in pregnant women, the elderly, AIDS patients and patients with chronic diarrhea.
Symptoms of hypovitaminosis
Poor assimilation of food, constipation, enlarged liver
Chronic fatigue, irritability, depression, dizziness, ringing in the ears, drowsiness, headaches, shortness of breath, visual disturbances, hallucinations, memory loss.
Pernicious anemia, neurological disorders, immunodeficiencies, gastroduodenitis, gastric ulcer and duodenal ulcer.
Even a small reduction of cyanocobalamin in the blood compared to the norm can cause considerable damage to the brain and nervous system.
The use of vitamin B12 is shown in premature and newborn infants after infection.
