Biocal-D 500mg + 200 IU Tablet is a calcium and vitamin D3 supplement manufactured by ACI Limited. Each film-coated tablet contains 1250 mg of calcium carbonate (equivalent to 500 mg of elemental calcium) derived from algae, and 200 IU of vitamin D3 (cholecalciferol). This combination is designed to support bone health, enhance calcium absorption, and address deficiencies in calcium and vitamin D3