What is the function of B12?

It is a water-soluble vitamin that is needed by all cells of the body, as evidenced by the role played in following functions: 

• DNA synthesis and bioavailability of amino acids

• Maintenance of brain functions and production of red blood cells

• Absorption of folic acid

How we take B12?

We take Vitamin B12 from many foods that we consume every day: 

• Red meat

• Poultry

• Seafoods

• Egg

• Enriched corn flakes.

However, vitamin B12 deficiency can be seen in many people.

What does B12 deficiency cause?

• Irreversible nerve injury (Conditions such as psychosis, mania and dementia)

• Anemia and tiredness (shortness of breath and irregular heartbeat)

• Numbness/tingling in hands and feet

• Vulnerability to effects of infection is among the serious complications that can be caused by vitamin B12 deficiency; thus vitamin B12 levels should be monitored and supplements should be used, if necessary.

What causes B12 deficiency?

• Deficient intake of animal-originated foods,

• Pernicious anemia (an immune system disorder

• Disorders of small intestine

• Gastritis, celiac disease and inflammatory bowel disease

What does excess B12 cause?

• Panic attack
• Stress, bad temper
• Insomnia
• Abdominal pain, nausea, diarrhea
• Acnes are among the harmful complications caused by excess B12 intake.