What Drink Has the Most Water in It? Comparing Hydrating Beverages
                                
                                
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                                    6 min read                                
                            
                                According to a study published in the American Journal of Clinical Nutrition, some surprising drinks can be more hydrating than plain water over time. The answer to what drink has the most water in it is not always what you might expect, as a drink's hydrating power depends on more than just its water percentage, including its electrolyte and nutrient composition.