Vitamin B12


Vitamin B12

Formal Name: Cyanocobalamin
Supplement Forms: Pills, food, liquid

Recommended Daily Allowance

  • Infants: (0 to 12 Months) 0.4 - 0.5 mcg/day
  • Children: (1 to 13 Years) 0.9 - 1.8 mcg/day
  • Adolescents: (14 to 18 Years) 2.4 mcg/day
  • Adults: (19 and older) 2.4 mcg/day
  • Lactating Women: 2.8 mcg/day
  • Pregnant Women: 2.6 mcg/day

Notes: mcg stands for micrograms

Additional Information

Vitamin B12 is a water soluble nutrient that is produced by the human intestinal bacteria and is also known as cyanocobalamin. This vitamin is relatively stable except for being prone to destruction by alkalies, acids, sunlight, alcohol, sleeping pills and estrogen. It, like many of the other vitamins the the B complex group, is involved the metabolism process that occurs throughout the body. It was initially discovered due to its ability to treat an autoimmune disease called pernicious anemia.

Bodily Functions Performed by Vitamin B12

With the help of Vitamin B6, this vitamin is needed in the synthesis of red blood cells and is extensively involved in the enzyme process that takes place when turning carbohydrates, proteins and fats into energy. Similarly to folic acid, vitamin B12 also contributes to the production of antibodies for proper immune system health. Additionally, the adequate presence of Vitamin B12 within the body helps maintain the central and peripheral nervous systems.

Symptoms Of Deficiency:
  • Results in pernicious anemia
  • Loss of appetite
  • Chronic fatigue
  • Physical and mental dullness
  • Irritability and inability to concentrate
  • Degeneration of central and peripheral nerve fibers
  • Sore mouth
  • Loss of balance
  • Contributes to reduced growth in children
Foods High In Vitamin B12

Vitamin B12 is primarily found in foods that are derived from animals. This means that fish, meat, poultry, eggs, milk and milk products contain are all Vitamin B12 rich. Additionally, fortified cereals contain adequate amounts of this vitamin.

Ailments That Vitamin B12 Eliminates:
  • Treats pernicious anemia
  • Maintains healthy development and growth in children
  • Treats high homocysteine (an excess amount of amino acid that leads to heart disease)
  • Helps in the treatment of sleep disorders
  • Maintains healthy immune system to prevent susceptibility to infections
Side Effects/Pre-Cautions

There is no upper limit intake level established for Vitamin B12 because of its low potential of toxicity. Furthermore, no side-effects have been attributed to vitamin B12.