Which Barista Coffee Has the Least Calories? A Comprehensive Guide
                                
                                
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                                    4 min read                                
                            
                                According to the USDA, a standard cup of black coffee brewed from ground beans contains only 2 calories. For those watching their caloric intake, this makes black coffee and its espresso-based cousins the top contenders for which barista coffee has the least calories, significantly less than milk- and sugar-heavy alternatives.