How Much Caffeine Is in a Shot of ESP (Espresso)?
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3 min read
On average, a single 1-ounce shot of espresso contains about 63 milligrams of caffeine, although this can vary widely depending on several factors. This concentrated coffee, often mistakenly called "ESP," packs a powerful and fast-acting caffeine punch despite its small serving size compared to a larger cup of drip coffee.
