Hyaluronic acid (HA) is a primary component of connective tissues such as the extracellular matrix in the human body, the vitreous humor of the eye, and synovial fluid in joints. It is primarily categorized into three grades: pharmaceutical grade, food grade, and cosmetic grade.

The growth of the global aging population has spurred demand for products that enhance joint health and delay the aging process, thereby further boosting the market growth of food-grade Hyaluronic Acid .

The global market for food-grade hyaluronic acid is valued at several hundred million dollars and is anticipated to maintain an upward growth trajectory in the coming years, with the Compound Annual Growth Rate (CAGR) commonly ranging between 5% and 10%.

As a lubricant for joint movement, HA can reduce friction between articular cartilages, alleviate pain, and treat arthritis. It also helps to maintain moist skin tissue and preserve skin health. Furthermore, it plays a beneficial role in relieving eye fatigue and maintaining gastrointestinal health.

      HA can be categorized based on its molecular weight into high molecular weight, medium molecular weight, low molecular weight, and oligomeric forms. HMW-HA is the most viscous and is not easily absorbed by the body after administration; it metabolizes slowly, making it suitable for local joint injections. In contrast, LMW-HA is easily absorbed, penetrates quickly, and thus, is more effective when taken orally.

      When taken orally, hyaluronic acid is absorbed and metabolized through the gastrointestinal tract, with its absorption and transport rates influenced by its molecular weight. It is absorbed in the small intestine and the large intestine before being transported to various parts of the body.

      Hyaluronic acid offers numerous health benefits, including hydration, acceleration of wound healing, alleviation of joint pain, prevention of dry and uncomfortable eyes, and maintenance of bone strength. These advantages are expected to drive the demand for hyaluronic acid products in the coming years.