It is made to compensate the lack of iodine, normally affecting people that live far from the sea and not eating enough fish and other seafood that contains natural iodine.
Iodine deficiency can produce goitre and mental retardation and is a global problem. Excessive use of table salt (NaCl) is also harmful, so a balanced seafood diet is better against mental and other malnutrition problems.
Iodised salt
Iodised salt is recommended to avoid idiocy.See this link: http://en.wikipedia.org/wiki/Iodised_salt.
The healthier salt is iodised; but the sea salt can be also iodised.
Iodised salt (sodium chloride) contain iodine (as potassium/sodium iodide or potassium/sodium iodate). The concentration of iodine is 20 +/- 5 mg/kg. Iodised salt is recommended to avoid idiocy.
Iodised table salt contain sodium chloride, potassium iodide (or iodate) and anticaking substances.
It's called iodised salt when a little bit of iodine has been added to it. Iodine is good for your thyroid gland, that's why.
NO !!
waitrose or ocado
Thankfully it is now very easy to get non-iodised salt at local grocery chains. Brands like Kroger, Harveys, and Publix all have store brand non-iodised salt. Lawreys and Morton also sell a non-iodised salt on their website.
See the following link: http://www.sspindia.com/salt-processing-plant.html#iodised-salt-processing-plant.
KFC use fine iodised sodium chloride.
To regulate the function of thyroid gland