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How Much Caffeine In Starbucks Doubleshot Espresso?
Quick take Starbucks Doubleshot Espresso has 120 mg of caffeine per 6.5-ounce can. That is about the caffeine in 2 standard espresso shots, though exact caffeine can vary slightly by product version and market. How Much Caffeine In Starbucks Doubleshot Espresso: a 6.5 fl oz can has 120 mg of caffeine. That is the standard
September 23, 2026