For prevention of weak bones (osteoporosis): Doses of 1-1.6 grams elemental calcium daily from foods and supplements.

Calcium gluconate and calcium lactate, which contain a low amount of elemental calcium.

Ingesting over two grams of elemental calcium per day produces this disorder in susceptible individuals.

An important factor in choosing a calcium supplement is the amount of elemental calcium in the recommended dose.

Each pill supplies a different amount of elemental calcium when absorbed, and hence differs in its effectiveness.

Different supplements contain different amounts of elemental calcium.

When choosing your supplement, you will need to check out the label to see how much elemental calcium is in it.

Calcium citrate is about 21% elemental calcium.

And that taking the estrogen plus 1,000 milligrams of elemental calcium in a daily supplement can help prevent the disease?

For preventing high blood pressure during pregnancy (pre-eclampsia): 1-2 grams elemental calcium daily as calcium carbonate.