L-Isoleucine is widely used in the food and beverage industry as a nutritional supplement to enhance the protein content in various products, including dietary supplements, sports nutrition, and infant formula. It is an essential amino acid that supports muscle repair and growth, making it a key ingredient in products aimed at athletes and bodybuilders. In the pharmaceutical sector, it is utilized in formulations to aid in wound healing and to improve recovery after surgery or illness. Additionally, L-Isoleucine is incorporated into animal feed to promote healthy growth and development in livestock, ensuring better meat and dairy production. Its role in metabolic processes also makes it valuable in research and development for studying amino acid metabolism and related disorders.