The Last Call Patch from The Friendly Patch is an innovative hangover patch designed to help deal with after a night of drinking. This powerful patch contains a unique blend of natural ingredients that work together to support your body and promote healthy function, subside the adverse effects of alcohol consumption.The key ingredient in the Last Call Patch is Vine Tea - Ampelopsis grossedentata Extract 98% Dihydromyricetin DHA - (10mg). This potent extract has been shown to have great effects and support its detoxification process.The B12 and caffeine in the Last Call Patch is a group of essential vitamins that support energy production and metabolism, helping with fatigue and supporting the body.