Learn about the best time of day and way to take vitamin D, and if you should consider supplementing with this nutrient.

In the summertime, vitamin D levels might not be much of a concern for many runners, considering the time we spend exercising ...

What is vitamin D3? Your body creates this vitamin naturally when exposed to sunlight. In the winter, however, we tend to stay inside more, making it harder to get the proper amount of D3. There are a ...

A person living with vitamin D deficiency may experience several side effects. Know what Dr. Saurabh Sethi, a ...

We updated this article in November 2022 to add more information about each featured product, based on extensive research done by our team. Most experts agree that it’s best to get your vitamins and ...