►► ◄◄—br table salt, but also all the added sodium found in pre-packaged and prepared foods. This involves preparing sodium-free products at home or avoiding processed foods all together, which also means avoiding to eat out at restaurants. Because some dietary salt is essential for good health, the Salt-Free Diet should not be followed for more than one to two weeks. It's important to note that this diet is more effective for those people who tend to retain water more easily than others.