Hansco Guyuan tablets are good for joints. This is a police tactical unit health care product specially for human bones and joints. It contains six components: D glucosamine hydrochloride, chondroitin sulfate, hexacasein phosphopeptide, calcium carbonate, epimedium and Eucommia ulmoides. It is a six-in-one formula combining traditional Chinese and western medicine, which can improve bone and joint problems and repair joints.