Dead Sea Mineral Mud - 5Kg The Dead Sea is the most saline body of water in the world with far greater concentrations of minerals than any ocean (a concentration of 32% minerals compared to other seas, holding approximately 3%). Bromides and Iodine are present in the Dead Sea, including other minerals such as Magnesium, Sodium, Calcium and Potassium. All these minerals work together as regulators of cell activity and daily functioning, relieving muscular pain and stabilizing fluid levels in the body.