Green tea is an ancient tea that originated in China, written about by author Lu Yu during the Tang Dynasty between 600-900 AD. It quickly spread through Asia, and today it is produced all over the world with China still leading the market. In our diets, green tea extract is known as a free-radical fighting antioxidant that promotes cellular health.* Researchers have discovered that green tea extract is even more effective than Vitamin C and Vitamin E!*