Black tea is one of the most caffeinated teas. Depending on how strong the tea is, it may contain from 45 to 70 mg of caffeine per approximately 240 ml. For comparison, an average cup of coffee may contain about 100 mg of caffeine.
Black tea is one of the most caffeinated teas. Depending on how strong the tea is, it may contain from 45 to 70 mg of caffeine per approximately 240 ml. For comparison, an average cup of coffee may contain about 100 mg of caffeine.