Story perspectives
Study Reveals Electrolytes Outperform Water in Hydration
11/1/2025
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Story summary
- A study from the University of St. Andrews challenges the view that water is the most hydrating drink, showing electrolytes hydrate better.
- Skim milk and oral rehydration solutions hydrate best, followed by whole milk and orange juice; water ranks fifth.
- Electrolyte supplements can be beneficial during intense exercise or illness, but for most healthy adults, water remains the best option.
- Balanced diet supports fluid balance.
