Sodium occurs naturally in most foods. It is even present in drinking water. Prepared foods contain the most sodium in the form of salt and food additives.
Convenience foods are designed to be quick and easy to transport, store prepare and eat. To do all this, they need stabilizers, preservatives, and ingredients to improve taste. Sodium does all of that. High amounts of sodium chloride are found in processed meats such as bacon, sausage, and ham, in canned soups and vegetables, and in many frozen foods. Most restaurant food is also high in sodium.
Food additives that contain sodium include:
Sodium performs the following key functions in the body: