How do they check vitamin D levels NHS?
How do they check vitamin D levels NHS? Your doctor will order a blood test to check the amount of vitamin D in your blood. If the test shows that you have lower amounts of vitamin D in your blood than expected, they will decide that you have vitamin D deficiency. Testing for vitamin D is not carried out for everyone. How can I check my vitamin D levels UK? The best way of diagnosing a Vitamin D deficiency is with a blood test. You can do this blood test at home use a home vitamin D test kit that...