DL-Glutamic acid monohydrate is widely used in the food industry as a flavor enhancer, particularly in the form of monosodium glutamate (MSG). It helps to intensify the savory taste in processed foods, soups, sauces, and snacks. In the pharmaceutical sector, it serves as a nutrient supplement and is incorporated into formulations to support brain function and treat conditions like hepatic coma. Additionally, it is utilized in the production of biodegradable plastics and as a component in fertilizers to improve plant growth and soil health. Its role in biochemical research includes acting as a substrate in enzymatic studies and protein synthesis.