In Las Vegas, a "Banana Bag" is an IV fluid solution combining vitamins and minerals that is commonly used to treat dehydration, nutritional deficiencies, and hangovers. This mixture of magnesium sulfate, thiamine, folate, and multivitamins is administered by IV treatment and attempts to swiftly relieve symptoms and replace key nutrients, delivering focused relief for illnesses such as hangovers and alcohol-related problems.