good book and a cup of lemongrass tea in the rains? Lemongrass tea is indeed irresistible. Made with lemongrass, a herb that has slowly gained popularity among a lot of people these days, lemongrass tea is another revolution in the world of beverages which is finally gaining recognition, especially among those trying to lose weight. Lemongrass tea is claimed to increase metabolism and aid weight loss. Drinking lemongrass tea on a daily basis may help you shed that unhealthy belly fat.