The 25-hydroxy vitamin D blood test can determine vitamin D levels. The results may be reported in nanograms per milliliter (ng/mL) or nanomoles per liter (nmol/L). Blood levels of vitamin D are ...

With all the different types of blood tests out there, it can be confusing to figure out which you need and when. To help, we spoke with doctors for their expert insights about so ...

Higher levels are linked to immune health benefits ... Specifically, your doctor should administer a 25-hydroxy vitamin D test, which you can ask for at your annual physical if your physician ...

Sun exposure can help most people boost their vitamin D levels. Your body makes vitamin D when cells in your skin come into ...

The weather has been interesting lately. We go from springtime to wintertime to storm season. However, whenever I get a chance, I get my vitamin D. Vitamin D, also called the “sunshine” vitamin, is ...

To achieve a sufficient blood level of vitamin D, measured by a 25-hydroxy vitamin D test, some people may need a higher dose vitamin D supplement. If you’re concerned about your body’s ...

According to Mount Sinai, a hospital system in New York, some older patients can benefit from getting a 25-hydroxy test to check their vitamin D levels. People who are older than 65, have ...