Reliable. Li Shizhen Miaojing tea contains cassia seed, radish seed, lophatherum gracile, almond, mulberry leaf, dried tangerine peel, lily, green tea and so on. These plant components can stimulate intestinal peristalsis, promote defecation, and thus play a laxative role. You can also adopt some healthy lifestyles in your life, such as increasing the intake of dietary fiber, strengthening exercise and maintaining adequate water intake. This is very reliable.