I spoke to three medical experts about what to look for in a vitamin D supplement and pored over labels, studies, and customer reviews to determine which are best. Learn more about how Insider ...

What to look for on a vitamin D supplement label, according to experts When shopping for a supplement, it’s important to read the Nutrition Facts and other components of the label closely.

People who are on the lower end of normal or just below normal may benefit from taking 5,000 to 10,000 IU of vitamin D, ...

The newest supplement-related internet trend now involves taking vitamin D and magnesium supplements at the same time.

When choosing a magnesium and vitamin D supplement, it’s important to read the label carefully and choose a reputable brand. Look for products that have been tested by third-party organizations ...

Insider's takeaway If you decide you're interested in taking a vitamin D supplement, read the label, buy from a reputable brand, and check to make sure that the product has been third-party tested ...