Beware of “anti-caking agents” in salt (and sea salt)!

As you may or may not be aware, most table salts contain quite a few ingredients. Some of these are “anti-caking agents” which function to keep the salt granules from clumping together so your salt will fall freely through the holes of your salt shaker. There are anti-caking agents in table salt, sea salt, and both iodized and non-iodized versions of both. If you wish to avoid such ingredients, just inspect the containers in the salt aisle until you find one whose ingredients list contains solely: “salt.”  And don’t assume, as I did, that just because a salt is coarse and comes in a fancy grinder that it is free of additives. Not true – check the label every time!

Several years ago at my aunt’s house, I was introduced to the ingredient, “yellow prussiate of soda.” I was enjoying some baked cabbage with my aunt that we made ourselves with just cabbage, olive oil and sea salt. By the time I finished eating, I had the worst hot flash!! My face was beat red, and I was literally running for the fan in the next room!! (And I never have hot flashes!) I couldn’t believe that this could’ve been caused by anything I’d just eaten, but I also couldn’t deny the timing of the reaction! Cabbage, olive oil and sea salt seemed like pretty “pure” ingredients to me, but I double-checked the ingredients just in case – and there it was on the back of the Morton sea salt: “yellow prussiate of soda (anti-caking agent).

Can I prove that my hot flash was from this additive? I suppose not, since I’m not willing to eat that salt again. However, I can tell you that I had never seen that ingredient on a food label before (and I pretty much read labels for a living!); the salt I use everyday at home does not contain it; I eat baked cabbage using this same recipe at home all the time with no effects…and I never, ever have hot flashes otherwise. So you be the judge!

For 40 more pages of my best additive-free grocery shopping tips plus 160 of my favorite natural recipes, check out my book (and e-book) “Eating Additive-Free“!!

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10 thoughts on “Beware of “anti-caking agents” in salt (and sea salt)!

  1. I had bought sea salt last year. No additives then. Now I can’t find any kind of salt without the anti caking agent. I had bought one recently and it had that yellow prussiate of soda and returned it after being iffy about using it.
    Thanks for the article.

    • Try Himalayan salt, or Redmond Natural Trace Mineral salt. There are no additives in either of these, nor are they super-heated to ~1,200F, as table salt is, which reportedly changes the way salt is utilized by the body. See Dr. Mercola’s website for more info. (no affiliation)

      • Himalayan salts have been heated to much higher temperature than normal generic Morton type salts. And easily over 95% of “Himalayan” salt is counterfeit including synthetic dyes. Adn it has the highest levels of “naturally occurring” radioactive compounds and elements. In fact lots of those “trace minerals” are bad for you. There is NO legitimate non current agency in Pakistan where it is produced insuring provenance (not any assurance it was not produced with child labor)?. Why do you think that even the most fancy brands of Himalayan salts contain micro plastics that did not exist when the Himalayan seams were layed down?

    • No additives in sea salt. Technically true. Sea salt also has the highest levels of man made pollutants, about 300 times as much as your Morton type Utah mined salts. Imagine filling your house with coastal sea waters (the most polluted sea water there is). Now imagine evaporating that down to a few refills of your salt shaker or grinder. You have more micro plastics, PCB, arsenic, “natural” cyanide (much worse than chemically fixed cyanide compounds) , agricultural fertilizer runoff, etc etc than anything else you consumer

  2. I am looking for a non-iodine salt without caking agents/chemicals for my son. He has thyroid cancer at age 15 and cannot have iodine for 2 weeks prior to his scan. Do you know of any? Any info would be greatly appreciated.

  3. Thanks for the info!! What brand of salt do you like to use? I have your Eating Additive Free Book and find it very valuable. I am trying to eat healthier and your information is so helpful!! It is crazy how chemicals etc can effect your body. Just last week I was out of town for work, ate out at restaurant and had an omelette. Hours later I had the worst stomach ache and eventually it made me throw up. Yikes!! Should have gotten a salad! Thanks for all of your help.

    • Hi Jenny!
      I’m glad you’re enjoying the book! I don’t use any one particular brand of salt, but I do often buy the sea salt at Costco that comes in a grinder…or just any other salt at whatever store I happen to be at — as long as the label reads clean. I have used a “natural” sea salt by Morton brand – – and I feel pretty confident that it is free of additives because it sure DID clump together in my salt shaker🙂 Yes, going out to eat can be a challenge. Generally, we just don’t bother, as it is incredibly tricky to know what may be in the dishes. Of course, salads have their own issues (e.g., dressings), too😦 Take care!

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