Duzhong (Eucommia ulmoides) is a highly regarded traditional Chinese herb. Healthcare products made from Duzhong, such as “Eucommia ulmoides tea” and “Tianqi (Radix notoginseng) Eucommia extract,” are popular in Japan. Various studies have confirmed the efficacy of Eucommia leaves in promoting fat metabolism, especially in reducing visceral fat, or the fat that wraps around internal…