Curious how our patch helps prevent hangovers? Applied before consuming alcohol, the Monster Hangover Patch consists of high quality organically enriched vitamins that aid your body in recovering from alcohol consumption. The patch enhances your bodies ability to detoxify from alcohol and is proven in most people to shorten and or eliminate the after effects experienced after a night of drinking. Our hangover patches are produced in a CE, ISO9001, FDA, ISO13485 manufacturing facility.