The human body requires a range of vitamins and nutrients to keep it in tip-top condition, keeping us working and living to the fullest each day.
Vitamins are needed in small amounts, which tend to be provided through a person's diet, reports the Liverpool Echo. However, there are instances where people can become deficient in certain vitamins.
Vitamin B12 is an essential vitamin for many body functions, such as keeping blood and nerve cells healthy. B12 also helps prevent anaemia, which can leave people feeling weak and tired.
