There is no substitute for water. No sports drink or boosted water can compare to good, old water, especially when you live in Arizona. Sure, a sports drink might add some electrolytes, and a vitamin water might add a few extra essentials, but as a Phoenix doctor I can tell you that pure water is truly the best thing for you to consume during the hot summer months in Arizona. But, simply speaking, do you know how beneficial pure drinking water can be for your body?