GLY-ILE, a dipeptide composed of glycine and isoleucine, is primarily utilized in the field of biochemistry and nutrition. It serves as a building block for protein synthesis and is often incorporated into peptide-based supplements to support muscle recovery and growth. In research, GLY-ILE is used to study peptide interactions and enzymatic processes, providing insights into metabolic pathways. Additionally, it finds applications in the development of functional foods and sports nutrition products aimed at enhancing physical performance and endurance. Its role in promoting nitrogen balance and muscle repair makes it valuable in therapeutic formulations for individuals with muscle wasting conditions or those recovering from intense physical activity.