No caffeine. Quality herbal. Zendo dieters tea is delicious hot or cold. And it's all natural too. Tadin provides the best quality herbs and teas from around the world. Our teas are specially selected so that every cup is never sharp or bitter. Suggestions before using tea as a dieting aid: Eliminate fat from your diet and eat fresh fruit, vegetables and fiber, Zendo Dieters Tea contains a mild herb that will lubricate your system, giving you the quality you deserve. During the first month of flushing out waste, you may experience minor stomach discomfort. If so, the tea is too strong. Dilute with water. If stomach discomfort continues, it is suggested you discontinue use of this product. Natural herbs have been used in the Orient for medicinal and nutritional aids for thousands of years. They are used side by side with western medicine. From the American Indians to our forefathers, herbal remedies have been used for medicinal and nutritional needs. Now in America, there's a serious movement to return to the use of these remedies. Zendo Dieters Tea is a natural herbal beverage of a blend of herbs that help eliminate waste and water accumulated in the body to used as a dieting aid.