Flavokawain A is a chalcone compound and an orally active inhibitor of PRMT5 and cytochrome P450. Flavokawain A has anti-inflammatory, anti-tumor, and immunomodulatory effects. Flavokawain A can inhibit the proliferation of tumor cells and induce apoptosis. Flavokawain A can be used in the research of diseases such as bladder cancer[1][2][3][4][5].