To give you some background information, studies have shown that the healthiest kind of bottled water is mineral water and drinking this water each day can help you enhance your overall health and well-being. Mineral water is able to do so much good because it contains essential minerals such as iron, calcium and magnesium. Even better, mineral water, unlike tap water, will be free of added chemicals as well as preservative-free and completely natural. Here we will discuss some of the benefits of mineral water.