Watermelon

It has a very high water content and provides nutrients like lycopene, citrulline, and vitamins A and C. Studies suggest that this sweet, red melon may even boost heart health, reduce muscle soreness, and decrease inflammation, though more research is needed.
The cheery red color comes from lycopene, an antioxidant. Studies show it may help curb your risk of cancer and diabetes as part of a healthy lifestyle.