Peppermint is a naturally Caffeine Free herb. Besides the amazing aromatic effects you get from peppermint, it can also help to alleviate stomach pains as well as stimulate the mind. Try adding peppermint to your hot or cold beverage, or drink it by itself. You can even add peppermint to your bath for additional stress relief and skin stimulation. Peppermint helps to reduce inflammation, improves digestion, and relaxes the mind.