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

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 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 ...

Medically reviewed by Suzanne Fisher, RD Key Takeaways Vitamin D supplements do not change skin tone. People with darker skin ...

Close up of Vitamin D3 Omega 3 fish oil capsules on green background Healthy levels of vitamin D play an important role in overall health and disease prevention. The authors recommend that clinicians ...