The best way to establish your vitamin D levels is to take a
blood test. There are several forms of vitamin D, and popular opinion suggests
that the best test to take is the 25(OH) D blood test, which stands for
25-hydroxyvitamin D. 1 You can take this test either at your doctor’s or purchase an in-home testing kit 2. Both ways produce accurate results. The test involves taking a
small sample of your blood via a tiny prick on the finger, which is then analyzed in a laboratory to
determine vitamin D levels.
Testing for vitamin
D levels 3 has become more common and
easy to do. For a time, the perception was that
it was an expensive test that provided little or no definite proof for treatment. However, research 4 has shown that early testing can
help with deficiency diagnosis and treatment. Fortunately, testing for vitamin D levels has become more prevalent these days with an increasing number of practitioners regularly testing patients.
The effects of vitamin D deficiency can remain
hidden for many years and it’s easy to miss them. The best approach is to test
for vitamin D levels twice a year to get an accurate picture: once in the middle of winter and then again at the
end of the summer.
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