If a doctor thinks that a person is suffering from a vitamin deficiency, he can order a urine test or a blood test to find out whether the deficiency is present. Knowing whether urine test or blood test is accurate for vitamin deficiency test can help you finding out which test to opt for.
Urine Vs Blood Test For Accuracy For Vitamin Deficiency:
It has been seen that blood test is considered to be one of the best methods to get an accurate ready for vitamin deficiency. Usually, vitamins are present in the blood in small amounts, but there are also other chemical compounds present in the blood. Hence, getting an accurate reading can become slightly problematic. However, when the laboratory uses a method known as high pressure liquid chromatography, it can help in separating the vitamins in the blood from other compounds and chemicals. Once the vitamins in the blood are separated, using a color reaction method or fluorescence reaction method, the presence or absence of a particular vitamin can be determined. Alternatively, live blood cells can be analyzed under a microscope to check for vitamin deficiency.On the other hand, urine test checks to see the balance of the vitamins in the urine. Usually, this method of analysis is used for checking deficiency of vitamins that work as anti-oxidants, like Vitamin C. There are many organic urine tests available nowadays that allow labs to check for various vitamin deficiencies. Hence, these tests can check for vitamins that are not anti-oxidants.
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