Proportionally, salt is one of the most important minerals in our nutrition.
For a long time, it was a very expensive, valuable product which was traded on special trading routes, known as salt roads.
Salt is produced from salt mines, extraction or seawater evaporation, and is composed primarily of sodium chloride.
In our body, salt plays vitally important roles in our water balance, our nervous system, our digestion and our bone density. An adult human body contains roughly 150 to 300 grams of salt. Every day, we lose about 3–5 grams through sweating and excretions. When we sweat a lot, for example during sports or when ill, we may even lose up to 20 grams. To compensate for these losses, we need to ingest salt on a daily basis.
High quantities can, however, also damage our body. Refined salt seems to be partially responsible for health problems such as rheumatism, gout, arthritis, kidney stones, gallstones and accelerated ageing processes.