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Folate and Vitamin B12 are two vitamins that are necessary for many bodily functions including normal red blood cell formation, tissue and cell repair and DNA synthesis. These vitamins are not produced by the body and must be supplied by dietary intake. The test measures the folate level in the blood.
Folate is sourced from leafy green vegetables, citrus fruits, beans, peas and liver. Folic acid is the supplement added to foods and drinks. Fortified cereals, breads, and other grain products have also become important dietary sources of B12 and folate.
When a deficiency of folate or Vitamin B12 occur it can lead to a condition called Megaloblastic anaemia where the red blood cells are fewer but larger in size.
Folate is necessary for cell division especially during pregnancy for the correct development of the fetus.
A shortage of Vitamin B12 and folate usually occur through:
Folate and Vitamin B12 test are used:
Folate and vitamin B12 levels may be ordered during a general health check-up or when a specific cause for anaemia is sought.
Testing may be indicated when a person has signs and symptoms of a nutrient deficiency including: loss of appetite, fatigue, diarrhoea, dizziness, tingling or burning sensation in hands and feet, confusion and anxiety.
Folate and Vitamin B12 test are used: