How many calories are in a big smoothie? A complete guide
                                
                                
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                                    3 min read                                
                            
                                Commercial 'big' smoothies can range from 400 to over 1,000 calories, and surprisingly, may be marketed as a healthy choice. Understanding how many calories are in a big smoothie requires looking beyond the fresh fruit and examining the entire ingredient list, especially high-sugar and high-fat additions.