Vitamin B12, also known as cobalamin, is one of the eight B vitamins. It's a water soluble vitamin and plays a critical role in the efficent functioning of the body, in particular the central nervous system. This vitamin is also involved in the metabolism of each cell in your body. It is very important therefore that you have the sufficient amount of this substance for your body to work properly.

If you lack the necessary amount of vitamin B12, you will most likely get easily tired, and lack the energy to accomplish ordinary tasks. Your concentartion levels and focus are also likely to be affected. Pronlonged deficiency often leads to anemia and gastrointestinal problems, among other things.

You can prevent the situation from getting worse by eating food rich in vitamin B12. Some of these sources of food include milk, eggs, fish and meat. If you are a vegetarian, then you need to take vitamin B12 supplements. These supplements are available in tablets and in small bottles. Sublingual vitamin B12 is one of the fastest ways of taking this supplement.

Your system will readily absorb sublingual vitamin B12 because it is introduced under your tongue. The skin surface under your tongue is thinner enabling the substance to penetrate the membrane easier. This method also bypasses the digestive system and is therefor supplied directly via the bloodstream, meaning it gets to where it is needed much more quickly.

Even if you are eating food supposedly rich in vitamin B12, you should also consider how food is produces in our modern society. There are many chemical additives and synthetic substances being utilized in our present food manufacturing processes. Our food sources may not be as good as they are touted to be. Therefore, it is really good to take sublingual B12 to be sure that you are getting your daily requirement of this important nutrient.