Black tea without milk or sugar contains no calories.

Black tea contains high amounts of polyphenol and makes up for 20% of its weight.

You know that the tea contains 2 principles, an exciting one and an adstringent one.

On average, brewed tea contains about half the caffeine found in coffee.

"And green tea contains a fair amount of caffeine."

Black tea contains certain substances which cannot be found in green tea, such as theaflavin.

The tea used contained less caffeine than a cup of home-brewed coffee.

Evolution decreed, after all, that both coffee and tea contain caffeine as a defense against predators.

In contrast to green coffee, green tea contains an average of 85 mg/g polyphenols.

He noted that many people believe the myth that tea contains more caffeine than coffee.