Sonchus oleraceus contains a variety of amino acids, vitamins and trace elements such as zinc, calcium, manganese and selenium. Bitter tea is a natural green drink refined from pure wild bitter vegetables, which has the effects of clearing away heat, improving eyesight, diminishing inflammation and diuresis.

The benefits of drinking bitter herb tea are soothing the liver, benefiting gallbladder, invigorating qi and kidney, expelling wind and removing dampness, promoting blood circulation and relieving pain. Treating asthenia due to qi deficiency, impotence due to kidney deficiency, epigastric pain, thirst quenching, insomnia and dreaminess, rheumatism and bone arthralgia, waist and knee weakness, clearing away heat and toxic materials, constipation, gastroenteritis, chronic cholecystitis, gallstones, heart disease, hepatitis, hemorrhoids, insomnia and dreaminess, etc.