DL-Lysine monohydrate is widely used in the food industry as a nutritional supplement to enhance the protein content in various products, particularly in cereals, snacks, and beverages. It is also incorporated into animal feed to promote growth and improve overall health in livestock. In the pharmaceutical sector, it serves as a key ingredient in dietary supplements aimed at supporting immune function, muscle recovery, and collagen synthesis. Additionally, it is utilized in skincare formulations for its role in maintaining skin elasticity and aiding in tissue repair. Its versatility makes it a valuable component in both health and wellness applications.