Tag: Starbucks double energy

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Does Starbucks Double energy have caffeine? The Answer Might Surprise You

Nov 26, 2025 •

5 min read

According to product facts from PepsiCo, a 15 fl oz can of Starbucks Doubleshot Energy contains 135 mg of caffeine. This confirms that, contrary to some potential assumptions, the Starbucks Double Energy line is indeed a caffeinated beverage designed to deliver a significant energy boost.