Medically reviewed by Soma Mandal, MD A vitamin D test measures your blood's vitamin D levels to see if they are too high or too low. Low vitamin D levels can increase your risk of bone disease and ...

They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll want to test again about six months later to see if that supplementation was ...

The new vitamin D test, to be distributed from the Swiss-based company's Indianapolis hub, is the first such test using a ...

Vitamin D tests certified by the U.S. Centers for Disease Control and Prevention (CDC) Clinical Standardization Programs (CSP) are well calibrated overall, according to a new study presented Sunday at ...

Known as the sunshine vitamin, Vitamin D is extremely important for our bodies. It protects bones, fights infections, and ...

By ensuring adequate vitamin D levels, you can support not just your physical health but also enhance your mood and mental ...

Increasing blood vitamin D levels with high-dose supplementation shows promise for people with first symptoms suggestive of ...

Sometimes it may feel like almost every visit to the doctor includes a dreaded blood draw. Blood tests can reveal a lot about the state of your health. But whether you should get a specific test (and ...

When exposed to sunlight, your body manufactures vitamin D using a type of cholesterol. (Yes, even a certain amount of cholesterol is necessary for good health!) This is why vitamin D is often ...