Salt substitutes and reduced-sodium salts may not be suitable for everyone. These products usually combine sodium chloride with potassium chloride, another mineral. This can substantially reduce the amount of sodium in the product. But salt added at the table and in cooking contributes only one-fifth of Australians’ sodium intake — most of it is from processed foods. People who have kidney problems or who take non-steroidal anti-inflammatory medicines, certain blood pressure medications, including ACE inhibitors, angiotensin II receptor blockers, and some diuretics, should seek medical advice before taking salt substitutes. They can lead to a life-threatening build up of potassium.