Prilosec OTC provides all-day, all-night protection against frequent heartburn. With Prilosec OTC, you won’t get frequent heartburn in the first place. With just one Prilosec OTC pill a day, you can block frequent heartburn before it begins for a full 24 hours with zero heartburn. So you can get through the day – and rest at night – without the worry of heartburn flare-ups on your mind. For a limited time you can sign up to receive a free sample by clicking the image above.