Should you take a calcium supplement? And if so, how much? Here's what to know about calcium's benefits and some warnings.

According to the National Institutes of Health, the recommended dietary allowance (RDA) of calcium for women aged 51 to 70 is ...

Getting enough iron can prevent anemia, while calcium and vitamin D help keep the ... levels for nutrients across all age groups and sexes. An RDA is the amount of that nutrient that would meet ...

A calcium pill or two, later in the day ... The upper tolerable level is 1,000 milligrams (1,500 IU); the RDA is 30 IU. "There is no way to get an overdose from diet or fortified foods.