Black tea has been known and used since ancient times from the countries of origin such as China and Japan and then around the globe. Black tea leaves contain, among other things, polyphenols, substances that are very nutritious for the human body. The content of catechins and thein in tea leaves make it a very good antioxidant. It stands out for its properties in weight loss, in lowering cholesterol, it is a very efficient anti-diabetic, it helps in skin diseases and in the prevention of hair loss. Store in dry places away from light and moisture.