Green tea is a powerful natural antioxidant & helps to maintain a healthy metabolism. Green black & oolong teas all originate from Camellia sinensis the tea plant. The method of preparation determines which variety of beverage results. The harvested leaves are allowed to oxidise to produce black tea & partially oxidise to produce oolong tea. Green tea is not allowed to oxidise. Tea leaves not allowed to oxidise retain their health benefits which are almost entirely lost in black tea. Tradit