Sodium regulates the volume of body fluids and, balanced with potassium, maintains pressure equilibrium between fluids outside cells and those inside.
Sodium is also necessary for nerve and muscle functioning.
The results of almost 40 years of research by Dr. Walter Kempner indicate that is unnatural and harmful to use the amount of salt to which we have become accustomed. Man is the only animal to salt his food. The ideal amount is obtained through our diet when we include the vegetables listed below. The quantitative list presents plants and plant products containing significant amounts of the nutrient involved, in approximate order from highest to lowest content for a given weight. Unless otherwise noted, all items are fresh and unprocessed.