August 8, 2016
Salt – Why Iodized Salt?
In most, if not all, kitchen cabinets in this country contain salt shakers and a box of iodized salt. Most salts sold in supermarkets display on the label, “This salt supplies iodine, a necessary nutrient.” But do you know why the iodine in salt is added?
But first, let me state again, I am not telling you to go against what your doctor has told you about your salt intake, so please do not use this information as medical advice. This is just for your information.
Why was Iodine added to salt? It was added to salt around 1924, at the request of government initiatives, due to the growing need for regulation of iodine deficiency disorders. In the 1920’s era in the United States, the Great Lakes and Pacific Northwest region of the country experienced high incidences of goiter (a common thyroid-malfunction-based condition). This was because their soil levels were extremely low in iodine, and people were not eating iodine rich foods.
Researchers at the University of Michigan decided to copy a Swiss practice of adding iodine to cooking salt, in order to attempt to remedy the problem. Goiter occurrences dropped drastically as a result, and the practice soon became standard.
In fact, due to the successes seen in Michigan, iodine-enhanced salts were sold by the Morton Salt Company for the first time, on a national scale. Regulations committees saw that it would be easy to take a simple and cost-effective measure to prevent this health imbalance, and for about $0.05 per person per year, salt became iodized.
Salt was used as the carrier for iodine because it was an easy, spoil-free method of getting iodine into the food chain. Salt is a food that almost everyone eats throughout the day, and everyday. Iodized salt was also added to animal feed, as it also offered thyroid support benefits for livestock as well.
But what went wrong? Things have changed since the 1920’s with the manufacturing of toxic chemicals and more cost effective ways of harvesting salt. Most of the salt harvested then was natural salt from the sea or from natural salt deposits and contained the beneficial trace mineral iodine. “Iodized Salt” is not a healthy naturally occurring rock, crystal or sea salt. It is a manufactured type of sodium called sodium chloride with added iodide.
Iodine in salt available at grocery stores, restaurants and in practically all processed foods, have synthetic chemicals added to them. These chemicals may include manufactured forms of iodide, sodium solo-co-aluminate, fluoride sodium bicarbonate, toxic amounts of potassium iodide, anti-caking agents and aluminum derivatives. Table salt has also been bleached. Unfortunately, most table salt is not only unhealthy, but is toxic to the body and should never be considered as a source of healthy iodine.
Using iodine-fortified table salt may still put you at risk for micronutrient deficiencies. A study done at the University in Texas at Arlington, and published in the American Chemical Society journal Environmental Science and Technology, found that salt alone cannot prevent iodine deficiency.
The research looked into iodine levels in over 80 types of commonly-sold iodized salt brands, and found that 47 of them (over half!) did not meet the U.S. Food and Drug Administration’s recommendation for healthy iodine levels. Moreover, with time, iodine levels tend to decrease in salt products that are left in humid conditions. The study concluded that only about 20% of the so-called “iodized” salt sold in stores has enough of the micronutrient to be considered enough for daily level acquisition.
Mineral deficiencies is a national crisis. Remember I talked about why the water we drink today does not hydrate us? There are not enough minerals to properly hydrate our body’s need for electrolytes. What about our vegetable? No minerals in our soil.
Next week I will discuss why we are getting too much of the wrong kind of salt and also what salt does our body really need.
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