The role of chondroitin calcium, a brand of BY-HEALTH, is that chondroitin generally refers to chondroitin or chondroitin sulfate, chondroitin hydrochloride, or some other aminosaccharides. The role of these chondroitin calcium is generally to improve cartilage and nourish cartilage, thus relieving pain or delaying the degree of joint degeneration. However, chondrogenic calcium is only a component of cartilage, and when it is supplemented, it should be taken at the early stage of the disease. If the cartilage has already undergone serious metamorphosis, chondrogenic calcium is not effective at this time. The way to take cartilage calcium is usually to take it for one month or three months at a time, then stop for a period of time, and then take it for another month or three months.