Not all calcium supplements are created equal. Calcium carbonate, the form of calcium found in Caltrate®, is the most concentrated form of calcium.
Calcium supplements are generally made with one of two sources of elemental calcium: either calcium carbonate or calcium citrate. Calcium carbonate, the form of calcium found in Caltrate®, is the most concentrated form and is commonly found in food and drug stores.
Most formulas supply calcium in the form of calcium carbonate. Calcium carbonate, which is found in Caltrate® +++, is more concentrated, allowing for smaller or fewer tablets.
And fewer tablets mean your bottle of Caltrate® may last longer per bottle compared with other forms.
Let’s compare the two forms:
Calcium carbonate – Caltrate®