Most people are aware that a cup of tea contains less caffeine compared to coffee, due to the fact that a smaller quality of tea is used per cup compared to coffee. In fact, a cup of black tea has about half the caffeine of a cup of coffee or about 50 mg per 190 ml cup. Green tea has about two-thirds the amount of caffeine as a cup of black tea, or about 33mg.
Fruit & Herbal infusions are made of fruits, herbs, flowers and flavorings, and are naturally caffeine free, as they do not include any tea leaves in their infusion. Redbush or red teas also are naturally caffeine free, as the South African plant they are made from is not a tea plant.