What do you do when you have an upset stomach? Either pop a pill or search your kitchen for a miracle home remedy that can provide quick relief. If experience abdominal pain or discomfort due to indigestion then here is a natural remedy you can try. Its efficacy has been proven by a study published in the journal in Prescrire International [1]. Peppermint tea for stomach upset -- how does it work? Just like green tea peppermint tea has numerous health benefits. Not just stomach upset and indigestion it also helps relieve congestion toothache and fever. Peppermint tea contains antioxidants