amount of caffeine energy drink vs coffee
Coffee Has More Caffeine Than Red Bull. Coffee has more caffeine than Red Bull, although both drinks are well below the Mayo Clinicâs recommended maximum of 400 milligrams of caffeine per day. 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.