Kosher salt, like all salt, is NaCl—sodium ions electrostatically bound with chloride ions and arranged in a crystal ...
It undergoes extensive processing, which removes most natural minerals, leaving behind almost pure sodium chloride. Table salt is often fortified with iodine, an essential nutrient that helps ...
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Does Salt Ever Expire?
On its own, pure salt is a food that never actually ... still have a best-by date due to the presence of additives. Iodized salt, for example, has a designated shelf life of around five years ...