Glucosamine Hydrochloride is a naturally occurring amino sugar derivative found in human joint cartilage, and it is also a key precursor for synthesizing proteoglycans in the cartilage matrix. It holds significant application value in joint health maintenance, cartilage damage repair, and the improvement of joint-related discomfort. After oral intake, it can be absorbed by the human body and directionally transported to joint cartilage tissue. On one hand, it serves as a raw material to participate in the synthesis of proteoglycans (the core component of the cartilage matrix, which endows cartilage with elasticity and pressure resistance), supplementing the matrix components lost due to wear or degeneration of cartilage. On the other hand, it regulates chondrocyte metabolism, promotes chondrocyte proliferation and activity enhancement, inhibits the activity of cartilage-degrading enzymes such as matrix metalloproteinases, and reduces excessive decomposition of the cartilage matrix, achieving a triple joint protection effect of "supplementing raw materials + inhibiting degradation + promoting repair." Compared with traditional drugs that relieve joint discomfort, it focuses on the repair and protection of cartilage itself rather than simply relieving pain symptoms. It can fundamentally delay the process of joint cartilage degeneration, and as a natural component inherently present in the human body, it has good biocompatibility and high tolerance, making it suitable for long-term use in joint health management.