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Vitamin supplements are very popular.
People often believe they'll act as a safety net and help to ensure adequate nutrient intake.
Supplementing with vitamin B12 is particularly common, because deficiency is widespread.
In fact, many people regularly get injections with vitamin B12.
These are claimed to help with energy levels, brain function and weight loss, to name a few.
This article reviews B12 injections and whether they are something you should consider.
What is Vitamin B12 and What Does it Do?
Vitamin B12 is a water-soluble vitamin, also known as cobalamin.
It plays a vital role in brain function and the production of DNA and red blood cells.
Chemically, vitamin B12 can exist in a number of different forms, but all of them contain the mineral cobalt.
The vitamin can be stored in the liver for a long time, so it may take a few years for a deficiency to develop.
BOTTOM LINE:Vitamin B12 is a water-soluble vitamin that plays an important role in brain function and red blood cell production.