If your stomach is in a storm, let’s call on some of the herbs that can calm it down: ginger, peppermint, licorice root and lemongrass. These powerhouse plants go to work coating the inner lining of your stomach to ease up on digestion (ick!), nausea (groan!) and gas (blush!) while shuffling toxins along (yay!) and relieving constipation (fun!).