Calcium supplements may cause constipation, kidney stones, increase heart disease risk, and more. Here's what experts say ...

Calcium is critical for bone health, optimal muscle activity, and other body processes such as blood clotting and heart function. How much calcium you need depends on your age and stage of life. Share ...

Medically reviewed by Patricia Mikula, PharmD If you have weak bones or are at risk for bone disease, you might think taking extra calcium will strengthen your skeleton. But taking too much calcium ...

Calcium, magnesium, and zinc are three minerals that a person requires for optimal health. They are naturally present in foods, or a person can take supplements containing all three minerals. Minerals ...