Which drink has the most caffeine in the world?
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4 min read
According to a 2025 study, DynaPep micro-shots contain the highest caffeine concentration per fluid ounce of any commercial beverage, at a staggering 714.3 mg/fl oz. While this is a highly concentrated shot, the overall prize for the strongest standard beverage depends on whether you measure by concentration or total serving size, revealing a fierce competition for the title of which drink has the most caffeine in the world.