How many calories are in spring mix lettuce?
                                
                                
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                                    5 min read                                
                            
                                According to the USDA, a standard 85-gram serving (about 3 cups) of spring mix provides only 20 calories, making it an exceptionally low-calorie choice. Given this, the amount of calories are in spring mix lettuce is very minimal, and its true nutritional value comes from its high concentration of vitamins and minerals.