Isoleucine solution is widely used in the field of biotechnology and pharmaceuticals as a key component in cell culture media. It serves as an essential amino acid, promoting protein synthesis and supporting the growth of cells in vitro. This makes it particularly valuable in the production of monoclonal antibodies, vaccines, and other biopharmaceuticals. Additionally, it is utilized in nutritional supplements and sports nutrition products to aid muscle recovery and enhance endurance. In research, isoleucine solution is employed to study metabolic pathways and amino acid metabolism, contributing to advancements in biochemistry and medical science. Its role in maintaining nitrogen balance and supporting tissue repair also makes it relevant in clinical nutrition for patients recovering from surgery or illness.