PreEvent is made from 100% natural ingredients with scientifically proven anti-inflammatory effects. Inflammation is the main cause of your hangover (aside from the all the booze!). When you have your PreEvent drink is important. When taken right before you start drinking, PreEvent works at its best. Enjoy your night out AND the next day! Keep a sachet in your bag to have protection anytime, anywhere. Just add to water, drink and enjoy hangover resistance.