γ-Glu-Phe is widely used in the food industry as a flavor enhancer due to its ability to impart a savory or umami taste. It is particularly effective in enhancing the natural flavors of soups, sauces, and processed meats. Additionally, it is utilized in the development of functional foods and nutraceuticals, where it contributes to improving taste profiles while maintaining nutritional value. In the cosmetic industry, it is incorporated into skincare products for its potential moisturizing and skin-conditioning properties. Its role in promoting hydration and improving skin texture makes it a valuable ingredient in creams, lotions, and serums. Furthermore, it is studied for its potential bioactive properties, including antioxidant effects, which could expand its applications in health and wellness products.