DL-Glutamic acid is widely used in the food industry as a flavor enhancer, particularly in the form of its sodium salt, monosodium glutamate (MSG). It helps to intensify the savory taste in various dishes, making it a common ingredient in processed foods, snacks, and seasonings. In the pharmaceutical sector, it serves as a nutrient supplement and is incorporated into formulations to support brain function and treat conditions like epilepsy and mental fatigue. Additionally, it is utilized in the production of biodegradable plastics and as a component in fertilizers to improve plant growth. Its versatility also extends to cosmetics, where it acts as a moisturizing agent in skincare products.