2, black tea can help digestion, promote appetite, diuresis, and eliminate edema. Black tea is rich in trace element potassium. After brewing, 70% potassium can be dissolved in tea, which can enhance heart blood circulation, enhance myocardial function and reduce calcium consumption in the body.

3. Black tea also has the functions of antioxidation, reducing blood fat, inhibiting arteriosclerosis, sterilizing and diminishing inflammation, and strengthening capillaries. Sri Lankan black tea has the functions of beauty beauty and weight loss.