Generic table salt are mined from ground and then highly processed. Up to 80 minerals and essential trace minerals are removed. It contains added ingredients such as iodine & chemically engineered anti-caking agents called calcium silicate (refer to this article for further information) Calcium silicate
also creates the “sharp salty-ness” that typical table salt has.Table salts have typically been so heavily processed and heated up to 1200 degrees that all the healthy trace elements have been stripped leaving you with nothing but high sodium content and additives.