Have you heard? Black tea is a great stress buster! When you still have tons of things to do but, it feels like you are ready to call it a day, black tea comes to the rescue. It will be a great idea to pause for a while and savor a cup of black tea while you're planning your next task. According to studies, in less than an hour, the tea can lower the level of stress hormone by up to 47%. Taking the recommended amount daily may be all we need to side step stress and get all things done.