Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin D is involved in many bodily functions and plays a vital ...

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether ...

Vitamin D absorption is significantly impacted by what you eat and when you take supplements. High-fibre meals, excessive ...

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

Experts say taking your vitamin D supplement at the wrong time of day may interfere with your sleep. Here’s the best time to ...

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

Vitamin D influences far more than bones—it interacts with mood, sleep, immunity, and the body’s daily rhythm. Its levels ...

Vitamin D is vital for immunity, brain health, strong bones, and overall well-being, but taking in too much from supplements ...

"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.

Timing can influence how your body absorbs Vitamin D. Here is all you need to know about meal composition, time of day, and ...

Vitamin D supplements may lower cholesterol, but the evidence is mixed. Avoiding high doses of vitamin D can prevent nausea and kidney stones.

If you ask most conventional doctors whether they take supplements themselves, the chances are they will reply that they do ...