Caffeine free. All natural beverage. No additives. Uncle Lee's Body Slim Dieter Tea is blended with premium natural herb and spices. The formula and preparation are based on an old Chinese book of medicine, Detailed Outlines of Chinese Herbs, by Lee Se-Zhen, 1518-1593. After centuries of use, it has proven to be one of the best healthy beverages for dieters. Include Uncle Lee's Body Slim Dieter Tea as an enjoyable part of your overall daily health regimen. Made in the U.S.A.