5 diuretic black brick tea contains theophylline and caffeine, which can increase renal blood flow and glomerular filtration rate through cardiotonic agents, thus increasing the excretion of water and electrolytes and achieving diuretic effect.

6 lowering blood pressure black brick tea has the effect of lowering blood pressure. This is because caffeine and catechin contained in black brick tea can relax the blood vessel wall, increase the effective diameter of blood vessels, and reduce blood pressure through vasodilation. Drinking tea regularly can also prevent arteriosclerosis.

7 Tea polyphenols contained in hypoglycemic black brick tea can regulate the disorder of glucose metabolism in human body and reduce blood sugar level, thus effectively preventing and treating diabetes, so people with diabetes and hyperglycemia can drink black brick tea in moderation.

8 Lowering blood fat Black brick tea also has the function of lowering blood fat. This is because black brick tea contains catechin, which is a highly active flavonoid. It can reduce blood cholesterol and low-density lipoprotein, increase the amount of high-density lipoprotein, and has the effect of reducing blood lipid. Drinking black brick tea regularly also has preventive and therapeutic effects on hyperlipidemia.