Healthy fats, magnesium, and zinc all play a key role in how your body absorbs vitamin D. Nutrition experts explain the best ...

When it comes to supplements, the time of day you take them matters. These are the common vitamins dietitians say not to take ...

We don't yet know if vitamin D supplements can boost your immune system, as research on the topic has shown mixed results. If you want to try vitamin D supplements for better immune health, your ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While you can take certain supplements any time of the day, others need a little more careful planning.