Tea is a natural gift that is rich in antioxidants. It also contains vital vitamins and minerals such as calcium, manganese, copper, carotin, selenium, and potassium, as well as vitamin A,vitamin B,vitamin C,vitamin E and vitamin K. Additionally, it contains folic acid, niacin amide and other detoxifying alkaloids. It is developed in semi-fermented processing, providing the oolong tea with numerous polyphenolic compounds, adding even more valuable health benefits to oolong tea. Oolong tea also contains caffeine and theophylline and theobromine which are similar to caffeine which on consumption may stimulate nervous system.