Question: how much caffeine in starbucks doubleshot on ice?
Answer: "Iced coffees have a lot of caffeine and are cheap." She's not kidding -- the Doubleshot on Ice has 225mg of caffeine. That's a ton more than the Doubleshot served hot, which has a mere 110mg of caffeine. Keep in mind that an average 8oz cup of coffee has 95mg of caffeine.