What Kind of Acid Is in MTN Dew?
                                
                                
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                                    3 min read                                
                            
                                According to a 2021 study, the concentration of citric acid in Mountain Dew was found to be approximately 1,337.6 mg/L, making it a primary acidic component. The main type of acid in MTN Dew is citric acid, which gives the soda its signature tart and tangy flavor.