Kosher Salt vs. Iodized Salt

Salts comes in many variations; grocery store shelves are lined with kosher salt, iodized salt and sea salt to just name a few. Knowing the difference between these salts and the other salts on the market can get confusing. To begin, all salts are either extracted from seawater through evaporation or mined from salt deposits. Salts are made from sodium chloride. One of the main differences between all salts is texture and size. Read below to discover additional difference between kosher and iodized salt.

What Is Kosher Salt?

Kosher salt, also called rock salt, is a course salt that is free of any additives. Due to this, kosher salt is considered the most pure salt. The salt garnered its name because it is the primary salt utilized to cure kosher meats. Kosher salt has a mild flavor and is often preferred over other table salts by professional chefs. Unlike many other table salts, kosher salt remains in a more coarse granulated form than the precise, small square shape created in other table salts.

What Is Iodized Salt?

Unlike other forms of salt, iodized salt has been fortified with a trace amount of iodine. In addition to iodine, dextrose is added to the salt to stabilize the iodine. Iodized salt has a similar texture, shape and size as normal table salt.

What Are the Benefits of Kosher Salt?

Due to the flaky crystal texture of kosher salt, many people prefer this salt when seasoning meats because it adheres well to the skin of the fish or meat. Additionally, kosher salt works well when wanting to achieve a salt rim around the top of a margarita glass. Kosher salt is ideal when curing meats because the coarse granulated crystals adhere better to the meats and allows for more blood to be drawn out of the meat.

What Are the Benefits of Iodized Salt?

Iodine fortification began after World War I when it became apparent that many men were iodine deficient. Iodine deficiency can lead to goiters, development delays and other health problems. The United States was the first country to add iodine to salt. Due to the success in reducing the occurrence of goiters, this process has spread throughout the world.

Kosher Salt Compared To Iodized Salt

In a blind taste test, kosher salt and iodized salt tasted nearly identical. Due to the fine nature of iodized salt, this salt works better when baking or for use as a table salt than kosher salt. For pickling, kosher salt is a wise alternative to iodize salt because the iodine may cause discoloration or cloudiness to the item being pickled. 

Health Warning

If an individual has been placed on a low-iodine diet, then she needs to avoid iodized salt or any product that has been made using this product. Low-iodine diets are common for individuals undergoing treatment for thyroid cancer, having a radioactive iodine test or radioactive iodine treatment. If an individual is on a low-iodine diet, they are still able to ingest kosher salt.

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  • nICOLAS

    Please, I am on low iodine diet for my treatment in June.
    May I use kosher salt David’s kosher, to bake my bread and use it for other meals?

    thanks!
    Nicolas

  • MAXINE

    I’m on a low iodine diet for thyroid treatment; can I safely use David’s kosher salt

    for all my cooking needs. thanks Maxine