Salt plays a crucial role in maintaining human health

It is the main source of sodium and chloride ions in the human diet. Sodium is essential for nerve and muscle function and is involved in the regulation of fluids in the body. Sodium also plays a role in the body’s control of blood pressure and volume.

Salt has long been used for flavoring and for preserving food.

Table salt. This is the most common type of salt, and the one most used in home kitchens.