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Vitamin B12 is important for the blood, nerve cells and cell renewal.
Vitamin B12 is important for the blood, nerve cells and cell renewal. It can't be produced by the body, and deficiencies occur, for example, with vegan diets. Possible symptoms include fatigue, tingling in the feet and a burning tongue. A balanced diet reduces the risk of a deficiency.
Vitamin B12 deficiency often builds up over time. Possible causes include:
A balanced diet is important if a vitamin B12 deficiency has been diagnosed. Good sources of vitamin B12 include:
A balanced and varied diet is important for prevention. This will provide healthy people with sufficient vitamin B12. Strict vegetarians and vegans can eat special foods enriched with vitamin B12 (e.g. oat milk or soya yoghurt). These can mostly be found in health shops.
The doctor should be consulted if you have been suffering from the following symptoms over a prolonged period:
Other possible causes, such as a deficiency in folic acid or iron, can be checked at the same time.
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CSS offers no guarantee for the accuracy and completeness of the information. The information published is no substitute for professional advice from a doctor or pharmacist.