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 other severe conditions. Your vitamin D ...

Are we overdoing it with vitamin D tests and supplements? Katie Ward, DNP, discusses recent findings that suggest that natural sunlight and a balanced diet might just be enough to satisfy our vitamin ...

It’s Wellness Wednesday, and this week’s focus is on vitamin D and its role in overall health. Many people assume they’re getting enough during the summer months, but that’s not always the case. We ...

As far as nutrients go, vitamin D is one of the most widely useful—but oft-overlooked—things we put in our bodies. For instance, “there are more than 200 known functions of vitamin D in the body,” ...