Does tea have more or less caffeine than coffee?
Tea has a wide range of caffeine depending upon the type of tea, plant varietal, and brewing style. Generally, green teas contain 5-20 milligrams, Oolong teas contain 35-45 milligrams, and Black teas have 45-60 milligrams of caffeine in an 8 oz. cup. By comparison, a typical cup of coffee has roughly 125-185 milligrams of caffeine.