Hypertensive elderly, if the lack of stomach acid, you can choose calcium citrate; if the stomach and intestines are good, you can choose calcium carbonate, such people by the high incidence of osteoporosis, the need for timely calcium supplementation and treatment. 1. For hypertensive elderly people over 65 years old, often there may be a comparative lack of gastric acid, with other calcium may be the effect is not very good, you can choose calcium citrate tablets, which can play a role in promoting fracture repair and reduce the role of capillary permeability, its contraindications are hypercalcemia and hypercalciuria. 2. For people with small gastrointestinal tract reaction and hypertensive elderly who do not lack of gastric acid, you can choose calcium carbonate granules for calcium supplementation, which can play a role in promoting cartilage development and reducing bone fragility, thus reducing the risk of fracture, but when eating calcium carbonate, if there is a case of kidney stones, due to the fact that it will increase the number of stones, it is necessary to avoid such a group of people to take. Of course, when taking calcium tablets for the elderly with high blood pressure, it is necessary to check the level of blood calcium and urine calcium frequently to prevent some problems caused by the increase of blood calcium and urine calcium.