How Many Grams of Sugar Are in a 20oz Mountain Dew?
                                
                                
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                                    4 min read                                
                            
                                According to official nutrition facts from PepsiCo, a standard 20oz bottle of Mountain Dew contains 77 grams of sugar, all of which are added sugars. This single serving far exceeds the recommended daily intake for added sugars set by major health organizations.