Green tea also helps to burn those extra calories and when combined with caffeine augments the calorie burning. It increases the energy that is expended, helps to oxidize fats. In many parts of eastern India, green tea extract is commonly sold in many forms. In addition to this, many parts of Asia and in India, green tea and its extracts have also been used to prevent dental plaque and hence prevent tooth decay. Source Link :- http://www.sweetadditions.net/food-drinks/health-benefits-of-green-tea