What calcium tablets should adults take to supplement calcium is good in the following aspects: First, the commonly used calcium tablets clinically are more suitable for adults to supplement calcium, such as common calcium carbonate, calcium carbonate D3 tablets, calcium lactate, compound calcium tablets and organic calcium oral solution. Second, calcium carbonate is the most widely used, its high medicinal value and economic convenience, for adults is the most commonly used means of calcium supplementation. Third, vitamin D deficiency patients with osteoporosis can apply calcium carbonate D to supplement calcium to relieve the symptoms, promote calcium absorption and effectively improve the patient’s pain symptoms caused by osteoporosis. So, through the above analysis, there are many kinds of calcium tablets available for adults to choose, but also through food to supplement calcium, such as drinking more bone broth or eating more food containing calcium, including shrimp, etc. have a very good effect.