Your Back-to-School Reboot

15 Foods That Help You Stay Hydrated

These high-water-content foods are refreshing, filled with nutrients, and naturally low in calories.

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Water content: 91.4% water

Iceberg lettuce may have a higher water content, but spinach is usually a better bet overall. Piling raw spinach leaves on your sandwich or salad provides nearly as much built-in hydration, with an added nutritional punch.

Spinach is rich in lutein, potassium, fiber, and brain-boosting folate, and just one cup of raw leaves contains 15% of your daily intake of vitamin E—an important antioxidant for fighting off the damaging molecules known as free radicals.

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