These sweet watery fruits are one of the best watermelons in the world, fresh from Iran. This sweet and juicy fruit, which also happens to be an excellent thirst quencher, is packed with vitamins and minerals. They're also abundant in citrulline, an amino acid that can help you perform better in sports. Vitamin C, carotenoids, lycopene, and cucurbitacin E are among the antioxidants found in it.