Methods for reducing the sodium content of finished food products comprising adding trehalose to suitable food products in an amount ranging from greater than 0% to less than 1.5% by weight of the finished food product and by optionally further adding sodium and or potassium. Ingredient systems for achieving salt (i.e. sodium) reduction in suitable food products are also provided. The ingredient systems comprise trehalose and can include sodium, potassium, or combinations thereof.