Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal functions of your body, especially bone formation and maintenance.

Vitamin D is important for the absorption of calcium from the stomach and for the functioning of calcium in the body.

Calcium and vitamin D combination is used to prevent or to treat a calcium deficiency.

Calcium and vitamin D combination may also be used for purposes not listed in this medication guide.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you have kidney disease, past or present kidney stones, heart disease, circulation problems, a parathyroid disorder, or if you are pregnant or breast-feeding.

Avoid taking any other vitamin or mineral supplements that contain calcium or vitamin D without first talking to your doctor.

Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you have:

• kidney disease;

• past or present kidney stones;

• heart disease;

• cancer;

• high levels of calcium in your blood;

• circulation problems; or

• a parathyroid gland disorder.

Ask a doctor or pharmacist about taking calcium and vitamin D if you are pregnant or breast-feeding. Your dose needs may be different during pregnancy or while you are breast-feeding a baby.