You can drink green tea or black tea – both kinds contain L-theanine and this can help with stress and anxiety. L-theanine is an amino acid which normalizes the production of Dopamine and Serotonin in the body. Both these hormones are what they call the “feel good” hormones and so if you eat or drink food that contains that, it can relax your mind and body, and thus, make you less stressed.
Don’t worry about its caffeine content. Drinking green tea or black tea daily has more nutritional benefits and you can ignore that caffeine component. For best results, drink 3 to 4 cups each day without sugar. It can literally help clear your mind – read here to know more.