Ninety two percent of Watermelon comprises of Water, which is an essential part of the human body. It keeps you hydrated and healthy. Watermelons are also rich in Antioxidants, Potassium, Magnesium, Manganese and so much more. With just six percent sugar, it is also great for you if you are trying to lose weight. You can consume it in the form of juice or as a snack by adding it to your fruit salad.