L-Methionine is widely used in animal feed as a dietary supplement to ensure proper growth and development, particularly in poultry and livestock. It serves as an essential amino acid that supports protein synthesis and improves overall health. In the pharmaceutical industry, it is utilized in formulations to treat liver disorders and detoxify harmful substances, as it aids in the production of glutathione, a key antioxidant. Additionally, L-Methionine is employed in cosmetic products for its skin-repairing and anti-aging properties, helping to maintain healthy skin and hair. It also finds application in agriculture as a component of fertilizers to enhance plant growth and stress resistance.