The caffeine content fluctuates slightly by flavor ... and other natural flavors to create a fruity, refreshing drink. Starbucks Iced Energy Drinks Deliver a Strong Caffeine Boost with Low ...
As is the case with any Starbucks drink, the exact level of caffeine in each Refresher varies widely by size. In a 12-ounce Tall beverage, you can expect to find 35 to 45 milligrams. Meanwhile ...
This is a detailed guide to the caffeine content of different types and ... of caffeine in different sizes of brewed coffee drinks from Starbucks and Dunkin Donuts, two popular coffee shop chains.