What food has salt in it?
Salt doesn't contain any food; but sodium is necessary for life.
Although there are many ways to add salt after creation of an item, this question asks how salt gets in food prior to cooking. The way in which salt naturally gets into food is through diet. Animals take in food that has salt and therefore have salt themselves. This is also true for plants as well with salt coming from the ground with other minerals.
If you put salt in the pot and allow it to set for a bit, the salt will spread itself out into the food. It will taste better, and people won't feel like they need as much salt on the food. This is a good thing, especially if those eating the food have high blood pressure, as salt should be avoided with this condition. I usually salt my food as it is cooking and also…