Having an upset stomach is not only uncomfortable—it can also be downright embarrassing. But you’re obviously not alone. Indigestion, or dyspepsia in medical lingo, strikes millions of Americans every day.The culprit can be as simple as eating too much too fast or a more serious problem such as an ulcer, gastrointestinal disease or irritable bowel syndrome.While over-the-counter treatments abound at local pharmacies, there are also several natural and home remedies that can be just as effective at soothing an upset stomach. We’ve separated fact from fiction when it comes to which of these therapies actually work and which ones are rooted in old wives’ tales rather than science.MORE: Is It Food Poisoning?Check out this slideshow of natural remedies.