Calcium Organic Acid tablets are available as Calcium Gluconate, Calcium Citrate, and Calcium Lactate, and patients are advised to follow their doctor’s instructions. Calcium organic acid is better absorbed for the body because it does not require the involvement of stomach acid in the dissolution process. Calcium gluconate, calcium citrate, calcium lactate can be used to treat and prevent calcium deficiency, such as osteoporosis patients, patients with hand and foot twitching, patients with rickets, pregnant women, etc. Adverse reactions are rare, occasional constipation, and contraindications are that it can not be used in patients with hypercalcemia and hypercalciuria. When the human body is deficient in calcium and needs to supplement calcium, it is recommended to consult a doctor before choosing, for those who have a bad gastrointestinal tract, it is recommended to choose organic acid calcium, if the gastrointestinal function is normal, you can also choose inorganic acid calcium, such as calcium carbonate, which is relatively inexpensive.