Tea for Health Tea is rich in antioxidants in the form of polyphenols and flavonoids. Polyphenols content in tea amounts 10 times higher than polyphenols in fruit and vegetables. The main polyphenols in tea are catechins can inhibit the oxidation process damage the body cells, reducing the number and inhibits cancer cell growth. Green tea and white tea contains high amounts of catechins, and even white tea is believed to have antioxidant capacity which is better than green tea. While black tea has less catechins, because many catechins are lost in the oxidation process. Three cups of black tea every day is believed can reduce the risk of cardiovascular diseases such as heart disease, lower cholesterol, hypertension, and stroke. Because the substances like flavonoids, quercetin, kaempfrol, and myricetin in tea may prevent blood vessel damage due to oxidation of cholesterol. The tea also contains fluoride is beneficial for dental health. Based on research in Tokyo Dental College, fluoride has the ability to kill bacteria that cause tooth decay even helps control bad breath and dental plaque formation.