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

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.

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 ...