What drink hydrates you the most in the world?

The Best Drinks for Staying Hydrated

When it comes to hydration, water is still the gold standard. It’s simple, calorie-free, and quickly absorbed by the body—making it the most effective way to replenish fluids. But while water tops the list, it’s not the only drink that helps keep you hydrated.

Somewhat surprisingly, milk—both dairy and plant-based alternatives like almond or oat—ranks high on the hydration scale. A study from the University of St Andrews found that milk can actually outperform water in maintaining hydration over several hours, thanks to its natural balance of protein, carbohydrates, and electrolytes that slow fluid loss.

If plain water feels boring, try fruit- and herb-infused water. Adding slices of cucumber, lemon, or mint not only enhances flavor but also encourages you to drink more. Similarly, 100% fruit juice can contribute to hydration, though it’s best consumed in moderation due to its natural sugar content.

For those recovering from intense physical activity, sports drinks can be helpful. They replace electrolytes lost through sweat, though many contain added sugars and artificial ingredients—so read labels carefully. Coconut water is a natural alternative, rich in potassium and lower in sugar than most sports drinks.

Even tea—whether black, green, or herbal—counts toward your daily fluid intake. Despite its caffeine content, moderate consumption doesn’t dehydrate you. In fact, herbal teas like chamomile or rooibos are excellent choices for gentle, flavorful hydration.

On the flip side, while soft drinks may quench thirst temporarily, their high sugar and acid levels can hinder optimal hydration and impact dental and metabolic health over time.

In the end, the best drink for hydration is the one you’ll consistently drink—but water, milk, and naturally flavored options lead the pack for both effectiveness and health.