There is no hard and fast requirement to swallow or chew calcium tablets. Of course, if it is a special dosage form, it is recommended to chew if it is a chewable tablet. Calcium tablets include calcium carbonate, calcium citrate, calcium lactate, calcium gluconate, different calcium, in the choice of willing to choose calcium carbonate, the reason is because calcium carbonate contains a higher proportion of the active ingredient, also called elemental calcium, up to 40%. However, there are requirements for the method of taking calcium carbonate, and it is not swallowed or chewed. Calcium carbonate requires gastric acid to dissociate, so it is best to take it with or during a meal, as a large amount of gastric acid is secreted after eating, which helps to better absorb calcium. If you have a tendency to have stones, like urinary stones, the recommended choice is calcium citrate, which does not require gastric acid to dissociate and can therefore be taken before meals. Calcium tablets are willing to choose calcium carbonate, there is no special requirement for swallowing or chewing the method of taking, just calcium carbonate is recommended to be taken with or during meals.