A typical single shot of espresso contains approximately 63 milligrams of caffeine. Therefore, three shots would generally provide around 189 milligrams. However, this figure can vary based on factors such as the type of coffee bean, roast level, and brewing method. Decaf espresso contains significantly less caffeine, usually around 2-5 milligrams per shot.
Understanding the caffeine content of espresso is crucial for managing caffeine intake. This knowledge allows individuals to make informed decisions about their consumption, aligning their coffee habits with their personal sensitivity levels and desired effects. Caffeine can offer benefits such as increased alertness, improved cognitive function, and enhanced athletic performance. However, excessive consumption can lead to anxiety, insomnia, and other adverse effects. Historically, coffee and espresso have played a significant role in social and cultural contexts, evolving from a simple beverage to a global phenomenon.