B12 vitamin is one amongst the group of ‘B’ vitamins and it functions as a facilitator for regulating the body metabolism by breaking down fatty acids and thereby generating energy. It also helps in the functioning of the nervous system and brain, helps in the formation of blood cells, along with the regulation of blood flow. It is also B12 vitamin is a Cobalt based compound and is also called as Cobalamin or Cyanocobalamin. Vitamin B12 is a water soluble compound and this is one of the main reasons why the compound is not present in the natural environment.

Vitamin B12 is found in animal organisms and is not present in the plants. Vegans can supplement their diet with other ways of B12 intake. This compound is also produced by the human body in small quantities through the small intestine but this is not enough for the body and we will have to add on to it. B12 is not required in large quantities, minute micrograms of this compound is enough for sustenance. Since B12 is water soluble, the excess amounts are expelled by urine. So, ingesting a little more of this vitamin than required does not cause adverse side effects. However, it is not advisable to take large quantities of this because of the presence of minute traces of Cyanide.

Vitamin B12 supplement is understood to increase the energy levels in the body. Athletes and body builders claim that B12 ingestion increases their performance levels too. Even though this fact is not scientifically proven, B12 Vitamin continues to be a much sought after supplement for sports people. This vitamin is also considered to be an aid to digestion, so, weight loss therapies also suggest doses of B12 to improve digestion and proper break down of food which prevents fat storage.

The symptoms of Vitamin B12 deficiency are varied and because of their generic nature, they are often mistaken for other health deficiencies. Deficiency of B12 can cause severe anemia which can prove fatal if undetected and treated. Severe depression is also caused due to lack of B12. This vitamin enhances the function of nerves and deficiency affects the function of nervous system can cause extreme depression. Foods like fish, eggs, meat, oysters, etc. contain traces of B12 which is enough for human sustenance. Manmade B12 supplements are available prevalently and can help people who have B12 deficiency or for those who wish to maintain their vitamin levels in the body.