Interestingly, the watermelon contains nutrients in every portion of the fruit, from the thick greenish outer rind to the red or pink inner pulp. Additionally, watermelon is an excellent source of essential nutrients ranging from vitamins and minerals to powerful antioxidants, resulting in the various health benefits of Watermelon associated with this incredible plant. Additionally, research suggests that when watermelon is fully mature, it is more nutritious. As a result, a ripe watermelon has the following additional Health Benefits of Watermelon.