Calcium Carbonate Vitamin D3 Tablets are a boon for those people who want to have healthy teeth and bones. These tablets contain 500 mg calcium carbonate and 250 mg vitamin D3. They provide extra amount of vitamin D3 and calcium to the body, thus working as vitamin D3 and calcium supplement. Apart from strengthening muscles and teeth, these are also recommended by medical experts to consume in the case of sour stomach, heart burn, and acid indigestion. Within a duration of 24 hours, one must not take more than four Calcium Carbonate Vitamin D3 Tablets and the duration of the course of taking these pills must not exceed two weeks.