How Many Calories Are in a 32 oz Fountain Mountain Dew?
                                
                                
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                                    3 min read                                
                            
                                According to nutritional data, a single 32 oz fountain Mountain Dew can contain upwards of 400 calories. This large serving size packs a significant amount of sugar and calories that many people overlook when ordering a fast-food drink. Understanding exactly how many calories are in a 32 oz fountain Mountain Dew is the first step toward making more informed dietary choices.