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Vitamin B12 (Cyanocabolamine)
Biologically active forms:
• oxocobalamin
• cyanocobalamin
It is an external Castle factor that needs an internal Castle factor (glycoprotein) to be absorbed in the gut.
Main functions:
1. In the synthesis of methionine;
2. In the methylation of DNA and RNA;
3. In the synthesis of nucleic acids;
4. Participates in the formation of nerve fibers and erythrocytes.
Hypo / avitaminosis vitamin «V12»
MKB-10: Ye53
The main reasons:
1. Lack of internal casting factor
2. Vitamin RR deficiency
3. Alimentary insufficiency
4. Smoking
Main symptoms:
1. Atrophy of the mucous membrane of the gastrointestinal tract;
2. Megaloblastic anemia
3. Pernicious anemia
4. Smooth and reddened tongue
5. Injury of the central nervous system
Note! Vitamin V12 is found only in animal products, not in plants. Mainly intestinal microflora synthesizes in the presence of vitamin «RR».
Daily requirement: 3 mg
The picture shows products rich in vitamin V12.
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