The Importance of Vitamin B12

Functions of Vitamin B12

Vitamin B12 or Colbamin is essential for good health.

Vitamin B12 or Colbamin is a very vital element for the human body. This vitamin is found in the liver where it is usually stored. Vitamin B12 deficiency causes several ailments and is crucial to maintain good health.

The intake of vitamin B12 contributes in many different ways to good health.

Here are a few ways Vitamin B12 helps the body:

  • Helps in the generation of red blood cells
  • Strengthens the resistance capacity of our body
  • Protecting against anemia like diseases.
  • Is vital for the formation of genetic material like DNA.
  • Plays a crucial role in carbohydrate, protein and fat metabolism.
  • Supports the nervous system.
  • Enhances growth in children.
  • Boosts the energy levels in the body

Foods That Contain Vitamin B12:

Eggs are a great source of vitamin B12.

  • Animal products like egg, milk, meat, poultry and fish are vitamin B12 rich.
  • Sea food like clams, oysters and bivalve mollusks are an excellent source of vitamin B12.
  • Fortified cereals, if you are a strict vegetarian are also an important as source of vitamin B12 .

Several medical experiments carried out have proven that human body is capable of storing huge amounts of vitamin B12, which would suffice for several years.


Vitamin B12 Deficiency

Pernacious anemia can cause a vitamin B12 deficiency.

So, a vitamin B12 deficiency is usually rare occurrence. Still someone could suffer from vitamin B12 deficiency because of some medical condition like pernicious anemia that limits the body’s ability to absorb it and the body doesn't get what it needs.

Usually, pernicious anemia is found in those who are strict vegetarians or vegans or who are can't get vitamin B12 supplements.

People in poor countries, where vegetable and nutritious food intake is very limited even if what they eat is organic, can also have problems with a lack of the essential vitamin B12.

Here are some of the most common problems caused by low vitamin B12 levels:

A child without appetite might have animia.

  • Loss of appetite
  • Growth deficiencies in children
  • Excessive tiredness
  • Brain damage
  • Neuritis
  • Nervousness
  • Spinal cord degeneration
  • Feelings of depression
  • Weakness and dizziness
  • Tingling or numbness in the extremities


Vitamin B12 deficiency can cause neural tube birth defects if there isn't enought for the mother during pregnancy.

Vitamin B12 supplement or a vitamin B12 rich diet is important for adults over 50. It is sometimes given by the doctor so health insurance should cover it.

Vitamin B12 supplement overdose does not generally pose much of a danger. It is not a drug, since a lack can lead to so many problems there is not much to worry about.