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.

People with vitamin D deficiency are at greater risk of becoming depressed, and those with depression are more likely to be ...

Fact checked by Nick Blackmer Vitamin D is vital, but taking in too much from supplements can be harmful.Vitamin D toxicity can cause common symptoms like nausea, weakness, and loss of ...

Vitamin D deficiency is very common, especially during the winter months with less sunlight. Add these foods to your diet to help.

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

Susan Weiner, MS, RDN, CDN, CDCES, FADCES, talks with Courtney Cameron, PharmD, BCACP, about widespread availability of ...