How much caffeine is in a 15 oz Starbucks Doubleshot Energy drink?
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3 min read
According to Starbucks product information, a standard 15 oz can of Starbucks Doubleshot Energy contains 135 milligrams of caffeine. This makes it a moderately potent choice for those seeking an energy boost, blending espresso with other energizing ingredients like guarana and ginseng.
