How many calories are in a vanilla shake?
                                
                                
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                                    4 min read                                
                            
                                A large McDonald's vanilla shake can contain upwards of 780 calories, putting it in line with a double cheeseburger. The exact number of calories in a vanilla shake, however, varies drastically based on its ingredients, portion size, and whether it's homemade or from a fast-food chain. This article explores the factors that influence a vanilla shake's calorie content and provides a comparison of popular options.