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.

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

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

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 ...

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

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

Vitamin D3, a form of vitamin D that we get from certain foods and exposure to sunlight, is an essential nutrient that plays a role in many bodily functions. This fat-soluble vitamin helps the body ...

As people move into their 50s and beyond, bone health becomes a bigger concern, and how much calcium and vitamin D you get ...

Some common medications can lead to vitamin and mineral deficiencies. Learn which medications can interact in this way.