how much caffeine in coffee pepsi
Quick Answer. According to Pepsico, the manufacturer of Pepsi, there is 39 mg of caffeine in one 12-ounce can of the carbonated beverage. Sites such as Caffeine Informer report a higher amount of caffeine, but all information agrees that one 12-ounce can of Pepsi is in the 38-39 mg range. Continue Reading.