Experiments have found that tea and coffee both contain caffeine. Caffeine (Caffeine) is a xanthine alkaloid (Xanthine alkaloid) which is found in abundance in coffee beans and tea leaves. It is a white substance that has Bitter taste, odorless. Currently, beverages containing caffeine are very popular. This is because caffeine stimulates the brain and central nervous system. Make the body feel awake Rejuvenates, reduces sleepiness, makes you feel refreshed, concentrates, and reduces fatigue. As a result, caffeine-containing beverages and products account for the largest amount of daily caffeine consumption in the world. Important substances found in tea It consists of amino acids, vitamin B, vitamin C, vitamin E and epigallocatechin gallate (EGCG) which is found in abundance in tea. Has antioxidant properties Helps in detoxifying the body.