What Drink Will Hydrate Me the Fastest? The Scientific Answer
                                
                                
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                                    4 min read                                
                            
                                According to a 2015 study, plain water is not the most hydrating beverage over a four-hour period, with milk and oral rehydration solutions performing better. Answering the question, "What drink will hydrate me the fastest?" requires considering factors beyond simple water content, such as electrolyte balance and nutrient composition.