Vitamin B12 (Cobalamin)

Vitamin B12 (Cobalamin)

Functions

  • Vital in making DNA and RNA.
  • Needed for cell division and the transportation of folate into cells.
  • Increases energy level.
  • Promotes growth and increases appetite in children.
  • Helps in proper functioning of the nervous system.
  • Stimulates utilization of proteins, fats and carbohydrates.

Sources

  • Meat
  • Poultry
  • Fish (Trout, herring, mackerel)
  • Egg yolk
  • Milk and milk products
  • Fortified breakfast cereals.
  • Crabs
  • Oyster
  • Liver
  • Kidney
  • Cheese

Deficiency

  • Anaemia (megaloblastic and pernicious).
  • General weakness
  • Poor appetite
  • Chronic fatigue
  • Mood changes
  • Menstrual problems
  • Nerve damage
  • Trembling

Toxicity

  • No toxic effects.

Recommended dietary allowances