How Unhealthy Is Espresso? A Balanced Look at Your Coffee Fix
                                
                                
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                                    4 min read                                
                            
                                According to the FDA, most healthy adults can safely consume up to 400mg of caffeine per day, roughly the amount in four double shots of espresso. The question of how unhealthy is espresso depends less on the brewing method and more on the amount consumed, your personal sensitivity, and what you add to it.