Carbocal-D 400 IU Tablets are a dietary supplement combining calcium and vitamin D3 to support bone health. Each tablet contains 500 mg of calcium (as calcium carbonate) and 400 IU of vitamin D3 (as cholecalciferol), aiding in the development and maintenance of bones and teeth. Vitamin D3 enhances calcium absorption, making this supplement beneficial for individuals with low dietary calcium intake or increased calcium needs.