Many people swallow calcium tablets because they are too big by chewing them or breaking them into several pieces and then swallowing them, the effect is the same. Calcium tablets are mainly absorbed in the stomach, and several hydrolytic enzymes in the stomach can make them fully absorbed, while oral amylase does not make them completely absorbed, so whether you chew them or swallow them is the same, it just depends on your personal preference. However, if the calcium tablets are too large, it is not recommended to swallow them because they may block the esophagus or accidentally slip into the airway and cause breathing difficulties, so it is recommended to take them with water when swallowing. Calcium tablets are recommended to be taken together with vitamin D. However, it should also be noted that calcium tablets marked as chewable should be swallowed by chewing, if not chewed, it is difficult to dissolve the effective substances of such calcium tablets, so when you buy calcium tablets, you should pay attention to the above methods of use.