Is Sriracha Actually Zero Calories? The Spicy Truth Behind the Label
                                
                                
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                                    3 min read                                
                            
                                According to FDA labeling rules, products with fewer than five calories per serving can be listed as having zero calories, which explains why your sriracha bottle might state this. But is sriracha actually zero calories when you look beyond the small print? The answer lies in the fine details of serving sizes and ingredients.