Glucosamine hydrochloride is considered as the only substance that can be used to cure bone and joint diseases so far. Glucosamine should be used in combination with chondroitin sulfate. It has the effect of alleviating pain and promoting cartilage regeneration. It can improve the joint problems at all. If vitamin D and calcium can be supplemented at the same time, a better effect can be achieved, such as the calcium carbonate, vitamin D3, glucosamine hydrochloride and chondroitin sulfate, which are the most effective in similar products, such as the D calcium tablets of CONP and amido - Vitamin C are mainly composed of calcium carbonate, vitamin D3, glucosamine hydrochloride and chondroitin sulfate.