Calcium gluconate d2 chewable tablets refers to Calcium Gluconate Vitamin D₂ Chewable Tablets, reasonable use has a definite effect, can supplement the body’s calcium needs, the efficacy of the treatment depends on the dosage and the course of treatment is appropriate. The indications for Calcium Gluconate D2 Chewable Tablets are calcium deficiency, and they can also be used for calcium supplementation in children, pregnant women, lactating women, and patients with tuberculosis. Each tablet contains 300 mg of calcium gluconate and 3 micrograms of vitamin D₂, equivalent to 120 units. The main adverse effects are the occasional occurrence of constipation. It is contraindicated in patients with hypercalcemia, hypervitaminosis D, hyperphosphatemia with renal rickets, and in those who are allergic to the product. Cardiac and renal insufficiency and patients with renal stones should be used with caution. The physiological requirement of calcium is different for different groups of people, the elderly need 1000mg of calcium per day, pregnant women 1000mg. the requirement of calcium for children of different ages also varies greatly, for example, infants less than 6 months old only need about 200mg of calcium per day. Calcium Gluconate Vitamin D2 Chewable Tablets should not be used blindly, and should be used reasonably under the guidance of a doctor.