The average daily intake should be:

Children 800mg
Young adults 1000 - 1200mg
Adults 1000mg
Adults with low bone mass 1500mg

Foods high in calcium include:

Calcium supplements may need to be considered, however, check with your doctor first. These supplements are available in different forms, however it is necessary to take into account the amount of elemental calcium instead of the total amount of calcium present. The different forms are: