what is the difference between red bull and coffee?
Coffee Has More Caffeine Than Red Bull An 8-ounce cup of coffee contains between 80 and 200 milligrams of caffeine, depending on the varietal and brew method. An 8.4-ounce Red Bull can has 80 milligrams of caffeine. Red Bull also has Taurine, though. ... Coffee doesn't contain Taurine.