Food-grade sodium hyaluronate refers to sodium hyaluronate raw materials that comply with food safety regulations and relevant quality standards and can be used in food and dietary supplements. It is typically produced using microbial fermentation processes, contains no animal-derived ingredients, and boasts high purity and good safety. Its molecular weight can be controlled according to application requirements. In food systems, it is mainly used for nutritional fortification and functional support, helping to maintain the body's water balance and supporting health needs related to joints, skin, and the gut.