How Much Caffeine Is in a Starbucks Doubleshot Energy? Facts & Health Tips!
How Much Caffeine Is in a Starbucks Doubleshot Energy? A Starbucks Doubleshot Energy contains about 135 milligrams of caffeine per can. If you’re looking for a quick boost to power through your day, this popular drink packs quite the punch. But how does that amount stack up against other caffeinated beverages? Understanding caffeine content is…