Vitamin D is an essential nutrient for your immune system, heart health, and more—but most Americans don't get enough of it.

Whether you swear by haldi doodh (golden milk) or have rediscovered the traditional gond ke laddoo, winter is a season for ...

It can difficult to get enough vitamin D from food alone—but when it comes to dietary sources, salmon ranks near the top, providing nearly 400 international units (IU) in every 3.5-ounce serving.

Vitamin D is an important nutrient but one that people tend to lack during the winter months. Vitamin D helps keep bones strong and works to support the body's immune system. The main way people get ...

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