The 25-hydroxyvitamin D test is the best way to monitor vitamin D. The amount of 25-hydroxyvitamin D in the blood indicates how much vitamin D the body has. The test tells you if your levels are ...

Unfortunately, it’s not unusual to have low levels of the vitamin. While there isn’t a consensus on the ideal amount of ...

Despite the importance of vitamin D for overall health, it is estimated that about one billion people worldwide have a deficiency, usually defined as having serum levels of 25-hydroxyvitamin D 3 ...

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 ...