Oranges, grapefruits, lemons, and limes have some of the highest antioxidant levels of all fruit and more than 170 phytochemicals, including 60 flavonoids shown to reduce tumor growth as well as inflammation and blood clotting. Summer citrus salad Top greens with a sliced orange and 1 tablespoon of shredded coconut; drizzle with 1 tablespoon of raspberry vinaigrette. More from Prevention.com: 5 Recipes You Can’t Live Without