Salt of Life. Best of the sea salt from renowned Celtic sea salt and Brittany sea salt from France. Also the much sought after Portuguese sea salt. There are all certified by Nature et Progres to be free from pesticides and contaminants like hard metals. We, Radiant Code also takes batches of its sea salt to the accredited laboratory to be tested for any hard metals. Proud to say that it is a safe salt. Any salt that is 99.9% sodium chloride (NaCl) is devoid of any trace minerals. A good sea salt should have at least 5-25% trace minerals, which will help to balance our body’s PH value to be alkaline instead of acidic. Celtic sea salt has up to 20% trace minerals, Brittany sea salt about 15% and Portuguese sea salt about 10% trace minerals.