One liter of dr Zablocka brine contains more than 110 mg of iodine, 130 mg of bromine, 800 mg calcium, 400 mg magnesium. The iodine content of Zabłocka brine is the highest known in the world, among the natural saline solutions. Furtherore, the particularly valuable property of dr Zablocka Brine is that the elements are in a state of chemical equilibrium, which remarkably facilitates their absorption into the body. The brine is biologically pure, because for millions of years it had no contact with the outside world. What is more, due to its exceptionally high mineralization, the chemical composition of dr Zablocka brine bears some features of the sea products.