More than 40% of Americans are living with a silent deficiency, but experts warn that while the "Sunshine Vitamin" is essential for longevity, more isn't always better.

According to a study published by Annals of Internal Medicine, vitamin D and calcium supplements might reduce risk of death from cancer but increase the risk of death from heart disease. Here’s ...

Calcium and vitamin D supplement use was linked to a lower risk for cancer mortality but a higher risk for cardiovascular disease mortality among postmenopausal women. Calcium and vitamin D ...

Vitamin D and calcium supplementation may reduce risk of cancer but increase risk of cardiovascular disease, new study shows. The study, which looked at postmenopausal women, showed that the ...

Some food sources do in fact contain vitamin D – including oily fish (such as salmon or sardines), red meat, egg yolks and fortified cereals. However, only a small proportion (roughly 10–20%) of our ...

Calcium may interact with supplements you are taking, such as magnesium and vitamin D, reducing absorption and affecting ...

Add Yahoo as a preferred source to see more of our stories on Google. Dubbed the “sunshine vitamin,” vitamin D got its nickname because our bodies can make D when exposed to UV rays. The vitamin is ...

Your body needs a wide range of vitamins and nutrients to run efficiently, but there are some that are harder to get from foods than others. Vitamin D is one of them. While some foods do contain ...

Taking the supplements may not lower fracture risks, a JAMA study found. — -- Taking calcium and vitamin D supplements may not actually lower fracture risks for elder adults living independently, ...

Getting enough of the "sunshine vitamin" can be difficult in cold months.