Chondroitin plus calcium is a clinically used health product whose main efficacy is determined by its active ingredients. It contains glucosamine sulfate, which can slow down cartilage destruction and promote cartilage production, and also has anti-inflammatory and pain-relieving effects, which can treat patients with primary or secondary osteoarthritis. Chondroitin sulfate is a component that promotes cartilage repair and prevents cardiovascular diseases, thus preventing bone and joint diseases and health effects. Calcium carbonate is the third active ingredient, the main role is to supplement the body’s lack of calcium, there are some mild calcium deficiency patients can take calcium carbonate to alleviate the symptoms. The combination of these three active ingredients can both prevent osteoarthritis and treat osteoarthritis, and can also mildly prevent osteoporosis.