Tuna is among the many types of fish that are hearty sources of vitamin D. In fact, a serving can provide over 5% of your ...

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

Doctors explain why vitamin D supplements may not work properly if your kidneys are unhealthy, and how kidney function ...

Vitamin D is essential for bone and immune health, but too much can be dangerous. Experts warn that excess supplementation ...

Vitamin D comes in a small tablet, but real food can also do heavy lifting. Some everyday foods deliver meaningful vitamin D, ...

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

The National Academies of Sciences, Engineering, and Medicine notes that: Women 51 and older and men 71 and older need 1,200 ...

Vitamin D plays an essential role in maintaining your bone health; however, it becomes an increasing concern for people in ...

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 deficiency is prevalent in many adults across the globe and has the potential to quietly affect ones bone health, ...

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

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