beneficial and harmless. Because all the ingredients it contains belong to tea, it is just a combination that can clean the stomach. I drink it every day! Tea is not harmful as long as it is good for your health. Tea has the functions of anti-cancer, degreasing and refreshing, reducing blood cholesterol content and blood lipid concentration, and preventing cardiovascular diseases such as arteriosclerosis, hypertension and cerebral thrombosis. Slow down aging and prolong life. Strengthen teeth and bones to prevent tooth decay.