How Much Caffeine Does A Starbucks Doubleshot Espresso Have?
They’re pretty similar in caffeine content, though the espresso version is much more concentrated. A 15-ounce can of starbucks doubleshot energy has 135 milligrams of caffeine, while a 6.5-ounce can of Doubleshot espresso has 120 milligrams of caffeine. How much caffeine is in a double shot espresso? Caffeine in Espresso (by Preparation Method) Espresso, Single … Read more