Natural Factors Whole Earth & Sea Deep Ocean Minerals - Contains over 70 essential minerals and trace elements, including magnesium, which catalyzes over 300 enzyme and hormone reactions. These macrominerals and trace elements give structure to our organs, tissues, and bones, and help maintain fluid balance, pH balance, and membrane permeability. Whole Earth & Sea Deep Ocean Minerals is sustainably extracted from deep ocean water protected by a nature reserve.