Du's Ancient diet tea is mainly made from wild Du's tree leaves harvested from the remote mountains in Central China. The leaves had gone through a series of special technical treatments before they became able to deliver its health promoting properties with the hot water. The ingredients have been referred by a number of fine publicans around North America for their health benefits to hypertension since early 2009, and the tea is becoming increasingly popular in Australia and New Zealand region with concentrated tea capsules being introduced in 2010. Du's ancient diet tea made capsules is approved by Therapeutic Goods Administration (TGA) in Australia in 2010 for natural hypertension diet and healthy living. What is Du's Diet Tea? Du's tree belongs to an ancient plant class and is over 2 million years old. Most of them located in Asia, Europe and North America had been unable to survive the 4th Ice Age, except a small amount in Central China, still found there today. The tree is commonly referred to as "The Living Fossil" by modern geologists. The leaves and bark from the Du's tree has been recorded in 'Herbal Canon' and 'Compendium of Material Medical' as being "The Rare Healing Materials", and with having a high reputation over the past 2000 years. Modern scientists discovered the leaves of Du's tree to be very rich in powerful, health-promoting nutrients, including ?-D-dextrose, chlorogenic acid, aucubin, amino acids, and various minerals. Scientists also discovered these potent substances have tremendous health benefits, which may possibly carry the answers to the important and complex issues of high blood pressure and cholesterol, obesity, heart diseases, diabetes, cancers and immunity.