What is "kakkonto"

Kakkonto (葛根湯, Mandarin Chinese: gěgēntāng, Japanese: kakkontō) is an herbal drink with its origin in traditional Chinese medicine. It is made from a mixture of ginger, cinnamon, Chinese peony, licorice, jujube, ephedra, and powder ground from the root of the kudzu plant, one of the 50 fundamental herbs. As the name, which translates literally to "kudzu infusion", implies, kudzu, or pueraria lobata, serves as the main ingredient. Together these plants are used to create a drink rich in puerarin, daidzein, paenoflorin, cinnamic acid, glycyrrhizin, ephedrine and gingerol. The main active components are indexed as ephedrine and pseudoephedrine. The resulting tea is used as a home remedy for fevers, headaches and hangovers.