Wintergreen, from Gaultheria procumbens, are used medicinally. Native Americans brewed a tea from the leaves to alleviate rheumatic symptoms, headache, fever, sore throat, and various aches and pains. These therapeutic effects likely arose because the primary metabolite of methyl salicylate is salicylic acid, a proven NSAID that is also the metabolite of acetylsalicylic acid, commonly known as aspirin. During the American Revolution, wintergreen leaves were used as a substitute for tea, which was scarce