Test your knowledge of the importance of calcium by taking this quiz.
The amount you need depends on your age and gender. The National Academy of Sciences offers these guidelines for calcium:
Pregnant and nursing mothers younger than 19 need 1,300 mg each day. Pregnant and nursing mothers ages 19 and older need 1,000 mg each day. You also need vitamin D to help your body absorb calcium from food.
Endocrinology, Diabetes and Metabolism
Get tips to help you manage your family's health, options to boost your fitness and advice to live your best life.