A doctor explains who truly needs a vitamin D supplement in the winter, how to tell if you're deficient, and when ...

Vitamin D deficiencies may be more pronounced during the winter months due to less sunlight. Experts recommend people looking to up their vitamin D level not to take more than the recommended dose of ...

The days are shorter, you’re hibernating inside — and there’s a good chance you’re not getting enough vitamin D. About 40% of Americans aren’t. But in case you’re waiting for a sign from your body to ...

Here’s what to know about vitamin D benefits and risks, particularly when it comes to ending fatigue. You might have heard that vitamin D can be crucial for bone health, and that taking supplements ...

You might have heard that vitamin D can be crucial for bone health, and that taking supplements may be in order if you're not getting enough naturally from sunlight or from D-rich foods like eggs, ...