Calcium is a mineral that makes up the bones and teeth and manages several other body functions. While it is an important nutrient, taking calcium supplements can cause mild to serious side effects.

DEAR DR. ROACH: As I set my pills up for the week, I wonder why calcium supplement pills are so huge? There are “minis” on the market, but they require taking four pills to equal two “regular” pills.

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 ...