Vitamin D test

Your body’s store of vitamin D.

€31.67. You pay at the desk, not online.

Vitamin D test: what it is for

Vitamin D helps your body absorb calcium and keep your bones strong. The test measures 25-OH vitamin D, the form that circulates in your blood and acts as your store. Your skin makes most of it in the sun, which is why it is often low in winter.

Why it is done

If you feel well, you usually do not need to test it often. It matters more with bone, liver, kidney or gut conditions, a lot of extra weight, in pregnancy and breastfeeding, and in some older people. The number helps your doctor decide whether you need a supplement.

How the vitamin D test is done

It is a blood test, done at a Bianalisi lab without a prescription. You can add other tests to the same draw.

Questions about the vitamin D test.

Do I need to fast for a vitamin D test? Usually not for vitamin D. If you do it with other tests that need fasting, such as glucose or cholesterol, arrive fasted. You can drink water.

How much does the vitamin D test cost? €31.67, from Bianalisi’s private list for Lombardy. You pay at the desk on the day of the draw, not online.

Do I need a prescription for the vitamin D test? No. You book it here without a prescription and pay at the Bianalisi desk.

When do results arrive? Within 10 working days, in the Rosa app, with each value next to the lab’s interval. The report a doctor approves is in the Rosa membership.