Which Milkshake Has the Most Calories?
                                
                                
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                                    4 min read                                
                            
                                According to a survey by Action on Sugar, some milkshakes contain the equivalent of up to 39 teaspoons of sugar. This article investigates which milkshake has the most calories by comparing nutritional information from popular chains to identify the most calorie-dense frozen treats on the market.