How many calories does a peanut butter banana smoothie have?
                                
                                
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                                    4 min read                                
                            
                                The calorie content of a peanut butter banana smoothie can vary significantly, ranging from 250 to over 500 calories per serving depending on the ingredients and portion sizes. The average homemade version, typically made with a banana, peanut butter, and milk, often falls between 300 and 400 calories.