Anaemia is when there are too few red blood cells or not enough haemoglobin in the blood. Vitamin B12-deficiency anaemia is a type of anaemia caused when there isn't enough vitamin B12 in the body.

Attribution: BUPA

See also:

• Vitamin b12 deficiency anaemia - purpose of b12
• Symptoms of vitamin b12 deficiency anaemia
• Causes of vitamin b12 deficiency anaemia
• Vitamin b12 deficiency anaemia - pernicious anaemia
• Prevention of vitamin b12 deficiency anaemia