Vitamin B12

Vitamin B₁₂
The proper chemical name of vitamin B12 is Cyanocobalamin. The deficiency of Cyanocobalamin is often due to the inability of the stomach to produce glycoprotein, which aids in the absorption of this vitamin.

Principle Sources

• Meat
• Milk
• Eggs
• Fish
• Cheese
• Liver
• Kidneys
• Vegetarians are advised to take vitamin B12 supplements.

Function

• RNA nucleoprotein synthesis.
• Prevents pernicious anaemia.

Deficiency diseases and Symptoms

• Pernicious anaemia.
  ---Ineffective production of red blood cells
  ---Faulty myelin (nerve sheath) synthesis
  ---Loss of epithelium (membrane lining) of the intestinal tract.