Founded in 1837, Procter & Gamble, also known as P&G, is a multi-national consumer goods company headquartered in Ohio. The company operates in many sectors including Baby, Feminine and Family Care and Health and Grooming; a significant provider of over-the-counter (OTC) medications, P&G manufactures and distributes the popular heartburn relief aid Prilosec OTC. The active ingredient in Prilosec is omeprazole magnesium. Omeprazole is a proton pump inhibitor used in the treatment of dyspepsia, peptic ulcer disease, gastroesophageal reflux disease and erosive esophagitis. The OTC medications offered under the Prilosec brand include delayed release acid reducer omeprazole magnesium tablets designed to treat frequent heartburn; they are offered in courses of 14, 28 and 42 days and are available in the original flavor and in wildberry flavor. If you suffer from frequent heartburn, get relief.