Each effervescent tablet contains Calcium Lactate Gluconate 1358 mg and Calcium Carbonate BP 1050 mg, equivalent to 600 mg of elemental Calcium, and Vitamin D3 400 IU as Cholecalciferol USP. FizyCal-D is a combination supplement designed to provide essential calcium and vitamin D3. Calcium is critical for various bodily functions, including bone health, and the body maintains its levels tightly. Vitamin D3 enhances calcium absorption in the gastrointestinal tract and stimulates bone formation, working synergistically with calcium to support bone growth and prevent osteoporosis and fractures. The effervescent form dissolves in water for oral consumption, and while the taste is not explicitly described as sweet in available information, effervescent tablets often have a pleasant, slightly tangy or sweetened flavor to improve palatability.