Lemongrass is a common flavor ingredient in herbal teas, soups, and other dishes.
Shah G, Shri R, Panchal V, Sharma N, Singh B et al. Scientific basis for the therapeutic use of cymbopogon citratus, stapf (lemon grass). J Adv Pharm Technol Res. 2011 Jan;2(1):3-8. doi:10.4103/2231-4040.7979It's also been used in traditional medicine as a home remedy for various ailments involving digestion, fevers, the nervous system, and more.