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Sodium Benzoate Dangers

There’s a great deal of buzz on the internet about sodium benzoate dangers. The question is how much of what you read is fact and how much is fiction. The purpose of this post is to give you the facts.

What is sodium benzoate?

Sodium benzoate is a salt derived from benzoic acid and is used as a preservative in foods and cosmetics. Though benzoic acid is a more effective preservative, it isn’t very soluble in cold water compared to sodium benzoate which dissolves easily in water.

How is sodium benzoate made?

When you combine an acid and a base, the result is a salt. When you mix sodium hydroxide with hydrochloric acid, you get sodium chloride, table salt. When you mix sodium hydroxide with benzoic acid you get sodium benzoate.

Do foods naturally contain sodium benzoate

Sodium benzoate is not found in foods unless it is added as a preservative. However, quite a number of foods contain benzoic acid. High concentrations of benzoic acid are found in some berries. Apples, plums, cinnamon, cloves and other foods including milk contain benzoic acid. It is found in many plants, animals and milk. You will find a number of sites on the internet stating that sodium benzoate is found in foods. That information probably came from Concise International Chemical Assessment Document 26 (2005). I encourage you to read it for yourself. I’ve included it in its entirety here, because it includes a great deal of related information. The document states that benzoic acid is naturally contained in many foods. The confusion comes because the document often uses benzoic acid and sodium benzoate synonymously e.g. benzoic acid/sodium benzoate. However, it clearly states that it is benzoic acid that is found naturally in foods, but sodium benzoate a food additive.

How does the body process sodium benzoate?

Sodium benzoate is transported to the liver where it is filtered out and expelled in urine.

Sodium benzoate dangers

Sodium benzoate is added to many foods with a pH 4.5 or lower such as pickles, catsup, and soft drinks. It is also added to mouthwashes, toothpastes, creams, lotions and other cosmetic products where a small percentage may be absorbed through the skin.


Though regulations only allow a small percentage of sodium benzoate to be added to products (.1% by weight). The concentration may vary depending on what country you live in. However, the effects of repeated doses of sodium benzoate over time are unknown. Another consideration is how much sodium benzoate an individual actually consumes during a day. In the U.S. it appears most of our sodium benzoate is consumed in soft drinks whereas in China and Japan, the consumption is primarily from Soya sauce. There have been tests done on rats and mice using varying concentrations of sodium benzoate to their diets, the toxicity and carcinogenicity appear to be low. Short term tests using higher doses were also performed on human volunteers with similar results.

Professor Peter Piper a molecular biology expert at Sheffield University found that sodium benzoate damaged the mitochondrial DNA of yeast cells. (Mitochondria are free floating elements in each cell with multiple functions. They are associated with cell metabolism and aging). He concluded that it may do the same to human DNA. (With a name like that, I bet he got teased a lot as a kid.) I have not read his data so don’t know what concentrations of sodium benzoate he was using that caused damage to yeast cell mitochondrial DNA. It is known that high concentrations of sodium benzoate are toxic.

Another study that I consider questionable associated sodium benzoate with ADD. The problem with this study was that sodium was used in conjunction with food dyes. It is unknown whether it was the sodium benzoate, the dyes or the combination that caused the hyperactivity of the children studied. Other studies have concluded that food dyes by themselves are associated with ADD.

One known cancer danger exists related to sodium benzoate. If you combine ascorbic acid (vitamin C) with sodium benzoate and potassium benzoate (another preservative), you get benzene. Benzene is a known carcinogen. Most of the benzene exposure comes from the environment including cigarette smoke, car exhaust, industrial waste and service stations. Some benzene exposure can also come from contaminated food and water. Some soft drinks have been removed from the market when they were found to contain benzene. A minimal amount of benzene exposure comes from food (Whew, that’s good news.)

Conclusion

The real sodium benzoate dangers come from the unknown. What are the long term effects? That’s a giant question that no one can presently answer. How much mitochondrial DNA damage is caused by sodium benzoate? That is another unknown.

Does sodium benzoate have an effect on brain function as the ADD studies suggest? This is another unknown. With these things in mind, here is my recommendation to our goddesses who we love.

  • It’s a good idea to leave soda pop alone. There are many wonderful beverages to enjoy that do not contain sodium benzoate.
  • Don’t stress about foods that contain sodium benzoate unless you are eating them in large quantities.
  • For our goddesses who cook with or use a lot of soy sauce, buy the sodium benzoate free variety.
  • Avoid cosmetics, creams and lotions that contain sodium benzoate if you leave them on your skin.
  • If you create products use other preservatives or no preservatives at all.

As new information and studies on the use and effects of this preservative are released, you will be the first to know.

Now go have fun and relax.

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162 Comments on Sodium Benzoate Dangers

  1. Guest

    I recently purchased a bottle of Indian gooseberry juice from the medical store and found out that it contains 2 ingredients :
    1. Emblica Officinalis (Indian gooseberry) 500ml
    2. sodium benzoate 500mg
    Is this a ok combination as I am required to take 20ml twice a day. Thanks.

    • SpaFromScratch

      Hi there guest,

      My biggest concern with this particular brand of juice is the possible formation of benzene due to the high concentration of vitamin C. You can buy pure Indian gooseberry from http://www.ayurvedabay.com/organic-ayurvedic-rasayanas/organic-amla-juice.html. No preservatives to be found.

      If I were in your shoes, I’d call the company that produces the juice you purchased and ask them if they have tested it for benzene. If not, being the loud mouth that I am, they would start to get a name on the internet. I would also take the bottle back where I bought it and demand my money back with an explanation why.

      Warm wishes,

      Vic

      • Guest

        I saw that Gooseberry Juice with Sodium Benzoate last week at my local store. After reading this blog, wow, what suppose to be health product surely isn’t. That juice is great example why it’s really important that we read the labels & research the chemical ingredients.

  2. Guest

    I had a tremendous diarrhea after consuming this in white cake – which incidentally had a list of dyes and other horrors. There are huge populations impacted by irritable bowel complaints to doctors.

    • SpaFromScratch SpaFromScratch

      Hi there guest,

      So sorry you had a problem.

      Sometimes it’s difficult to know what in a particular food might be causing a problem. In this instance, it might be an ingredient in the cake or it might have been caused by something else you ate. I try and stick to natural foods that my body understands how to process.

      Have you ever had a problem before? It might be time to play food detective.

      Good luck.

  3. Guest

    Our son is extremely allergic to Sodium Benzoate, he goes into anaphylaxis and has to be rushed to hospital – the scary thing is that the drugs that are used to counter act anaphylaxis are loaded with S.B!We have had to stop the doctor’s from giving him liquid forms of medication.

  4. Guest

    Hi, I am looking at using a supplement which contains the following and would like your advice on the chemical combination, absorbic acid, sodium benzoate, potassium sorbate, citric acid, thanks

    • SpaFromScratch SpaFromScratch

      Hi there Guest,

      If you don’t mind sharing, what supplement are you considering?

      Did you mean ascorbic acid? If that’s the case, it should be fine. The same is true for citric acid. Now as for sodium benzoate and potassium sorbate, they aren’t going to kill you, but, as I keep pounding in my posts, my biggest concern with these chemical preservatives is how they affect our body with long term use.

      The short story, try to avoid them as much as possible. If you have a sensitivity to potassium, you should definitely avoid foods with potassium sorbate.

  5. Guest

    It is far too simplistic to attribute either health or sickness solely to the consumption of so-called matter. The influence of convictions is very powerful, as experiments have shown. Reductionist science is still the dominant religion of our time and its approach is too simplistic because it simply ignores what it can not understand, measure or control (consciousness, experiences, convictions, beliefs., etc.). Numerous experiments have already clearly shown that thoughts can influence and even alter matter and therefore DNA. You attract and manifest what you really believe. The interaction with “matter” is not entirely clear yet, but the effects are obviously there (e.g. the placebo-effect).

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