If you've been taking your daily vitamin D supplement whenever it's convenient-maybe with dinner or right before bed-you ...

Of all our nutrient needs, vitamin D is one that can feel a bit confusing. You may know that you can get vitamin D by spending time in direct sunlight, yet we also know that too much time in the sun ...

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