Penta bottled drinking water, produced by San Diego-based Bio-Hydration Lab Inc., is distributed in more than 2,500 natural health food stores in the United States and to select retail outlets overseas. Penta’s patent-pending purification process is unique, making it one of the purest drinking waters available to consumers. Penta water is natural and pure—free of chlorine, fluoride, bromide, arsenic, asbestos, MTBE, and hundreds of other chemicals.