Vitamin D is essential, but getting too much, especially from supplements, can have serious side effects. Too much vitamin D can cause dangerously high calcium levels in the blood, which can lead to ...
NEW YORK (Reuters Health) - In a new analysis from the National Institutes of Health, men who took calcium tablets were more likely to die of heart disease over more than a decade than those who ...
Calcium supplements may cause constipation, kidney stones, increase heart disease risk, and more. Here's what experts say ...