Coffee is one of the most popular beverages in the world. Most of us cannot start our days without a cup of coffee. Others may not drink coffee first thing in the morning, but they do consume one or two cups of coffee and coffee-related products every day. Coffee, on the other hand, is well known for its numerous health benefits, including increased physical and mental energy and the prevention of drowsiness. Excessive coffee consumption, on the other hand, discolors the teeth. Tannin is a polyphenol that degrades in water and is found in coffee beverages.