This summer, there's a new fruit in town, and that's watermelon. Well, okay, it's not new but we're learning more and more about its health benefits. And very few people think to pour themselves a glass of watermelon juice. Let's explore. For starters, watermelons are mostly water —about 92% to be exact. Most people love the refreshing qualities but it's also packed with nutrients. There are significant levels of vitamins A, B6 and C along with lycopene, which is a huge fighter of inflammation, antioxidants and amino acids.