Vitamin B12 - Health Center

Vitamin B12

By Refadoc, Posted on : Tuesday, 15 September 2015 - 10:46 am IST

Vitamin B12

Vitamin B-12: Overview

Vitamin B12 is a water soluble vitamin. When the body has used this vitamin, then the leftover vitamins can be easily washed off from the body via urine. However, the body is known to store this Vitamin in the liver for years at an end. Vitamin B12 like all the other B Vitamins is very crucial for the metabolism process of the body. Vitamin B12 is also helpful for the formation of the new blood cells as well as maintaining the CNS (Central Nervous System).

Sources of Vitamin B12:

Vitamin B12 is found in a variety of food sources all over the world. The recommended amounts of Vitamin B12 can be gained by consuming the below mentioned food products:

Organ meats such as kidney, liver and heart

Clams and shellfish

Meat and poultry products such as eggs, milk etc.

Cereals and nutritional yeasts

The animal sources of Vitamin B12 are easily absorbed by the body as compared to the plant sources.

Side effects of Vitamin B12:

Vitamin B12 deficiency typically occurs when the body is unable to gain the required amount of the vitamin via the diet. People above the age of 50 often tend to lose the ability of absorbing the vitamin from the food. People who follow a vegetarian diet should either follow a diet which is rich in Vitamin B12 or should consider taking up supplements for the same. People suffering from diseases, such as Celiac Disease or Crohn’s disease also tend to lose the tendency to absorb the vitamin. Low levels of Vitamin B12 can lead to diseases such as anemia, loss of balance, numbness as well as general weakness.

Dosage of Vitamin B12:

The dosage of Vitamin B12 is greatly dependent on the age as well gender of the person. Infants between the age of 0-6 years need 0-4 mcg/day, children between the ages of 1-3 years need 0.9 mcg/day, between the ages of 4-8 years need 1.2 mcg/day; 9-13 years need 1.8 mcg/day.

Men and women aged 14 and above need 2.4 mcg/day, pregnant women need 2.6 mcg/day and breastfeeding women need 2.8 mcg/day.


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