DL-leucine is widely used in the food and beverage industry as a flavor enhancer and nutritional supplement. It is often added to dietary products, sports drinks, and protein powders to support muscle recovery and growth due to its role in protein synthesis. In the pharmaceutical sector, it is utilized in the formulation of amino acid infusions and oral supplements to address nutritional deficiencies or support patients undergoing recovery. Additionally, DL-leucine finds application in animal feed to improve the growth and health of livestock. Its versatility makes it a valuable component in various industries focused on health and nutrition.