Calcium carbonate/vitamin D3 preparation and preparation method thereof

The invention belongs to the technical field of medicines, and particularly relates to a calcium carbonate/vitamin D3 preparation and a preparation method thereof. The calcium carbonate/vitamin D3 preparation comprises calcium carbonate, vitamin D3 and pharmaceutically acceptable auxiliary materials, wherein the vitamin D3 is embedded twice by an embedding medium. According to the calcium carbonate/vitamin D3 preparation provided by the invention, the stability of vitamin D3 is remarkably improved, the content uniformity of vitamin D3 is higher, the calcium absorption effect is better, the dissolution rate is more stable, and the calcium carbonate/vitamin D3 preparation has important significance in the pharmaceutical industry. 本发明属于医药技术领域，具体涉及一种碳酸钙/维生素D3制剂及其制备方法。所述碳酸钙/维生素D3制剂其包括碳酸钙、维生素D3和药学上可接受的辅料，其中维生素D3经包埋剂两次包埋。本发明提供的碳酸钙/维生素D3制剂显著提升了维生素D3的稳定性，维生素D3含量均匀度更高，钙吸收效果较佳，溶出度较为稳定，在医药产业具有重要意义。