What blood test indicates a Vitamin D deficiency?
The vitamin D test, 25-hydroxy vitamin D test is the most accurate way to measure how much vitamin D is in your body.
Last updated on 12 Dec 2024
Yes, ideally one should stop taking vitamin D before a blood test.
No, fasting is required for B12 test.
They vary because of the machines caliberation and the reagents used.
Yes, there is a urine test. The test measures the amount of a substance called methylmalonic acid (MMA) in your urine. MMA is typically made in tiny amounts when you digest protein. Your body makes large amounts of MMA if you have a decrease in the amount of vitamin B12.
No, it is not possible.
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