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      Frequently Asked Questions About Celiac Disease   09/30/2015

      This Celiac.com FAQ on celiac disease will guide you to all of the basic information you will need to know about the disease, its diagnosis, testing methods, a gluten-free diet, etc.   Subscribe to Celiac.com's FREE weekly eNewsletter   What are the major symptoms of celiac disease? Celiac Disease Symptoms What testing is available for celiac disease?  Celiac Disease Screening Interpretation of Celiac Disease Blood Test Results Can I be tested even though I am eating gluten free? How long must gluten be taken for the serological tests to be meaningful? The Gluten-Free Diet 101 - A Beginner's Guide to Going Gluten-Free Is celiac inherited? Should my children be tested? Ten Facts About Celiac Disease Genetic Testing Is there a link between celiac and other autoimmune diseases? Celiac Disease Research: Associated Diseases and Disorders Is there a list of gluten foods to avoid? Unsafe Gluten-Free Food List (Unsafe Ingredients) Is there a list of gluten free foods? Safe Gluten-Free Food List (Safe Ingredients) Gluten-Free Alcoholic Beverages Distilled Spirits (Grain Alcohols) and Vinegar: Are they Gluten-Free? Where does gluten hide? Additional Things to Beware of to Maintain a 100% Gluten-Free Diet What if my doctor won't listen to me? An Open Letter to Skeptical Health Care Practitioners Gluten-Free recipes: Gluten-Free Recipes

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I didn't know if anyone might know where I can find an answer to my question. Recently, I have had a reaction to a couple of foods which I thought were gluten-free (I read the label and didn't see anything which set off warning bells). When I looked at the labels on these foods, there was an ingredient which I don't recall seeing on any other foods - Natamycin. Upon further investigation, I could find very little information on this product, especially the manner in which it is processed. It is apparently used as a mold inhibitor (I do know that I am allergic to mold........). The company which is listed is in China, so I sent them an e-mail, but I don't know what, if anything, will become of it.

Have you heard anything about this ingredient? I can't say for sure if it is causing a gluten reaction in me, because my "symptoms" aren't those of the typical celiac disease patient - I hardly ever get diarrhea or stomach upset. What I do get is itchy skin, the "fidgets", and bloating/weight gain. I noticed the itchy skin and the bloating over the past few days (I had only eaten one of the foods before yesterday, then ate both - then made the correlation).

One of the sites which I was directed to was Whole Foods Market, and they will not accept any foods in their stores which use natamycin, other than cheese slices (one of the 2 products which gave me problems - not bought at WFM, but at Sam's Club). I am not sure why they have this policy, so I have sent them an e-mail asking about that.

Any help that anyone can give me would be greatly appreciated! Obviously, I am not going to be eating either of these items again, but I am wondering if I need to worry about giving foods with this ingredient in it to my other family members with celiac disease / Gluten Sensitivity, or if this is just a coincidental allergic reaction on my part. Thank you so much -

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It looks like a mold inhibitor:

http://en.wikipedia.org/wiki/Natamycin

That's somehow grown by bacteria or soemthing? Sounds like it's not a gluten problem, but more likely your personal unpleasant reaction to a chemical. I get a bit of queasy from cheese with this in it if I eat a lot. Definitely not gluten though. I would doublecheck the cheeses you were eating to make sure there's no gluten problems aside from this ingredient though.

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I didn't know if anyone might know where I can find an answer to my question. Recently, I have had a reaction to a couple of foods which I thought were gluten-free (I read the label and didn't see anything which set off warning bells). When I looked at the labels on these foods, there was an ingredient which I don't recall seeing on any other foods - Natamycin. Upon further investigation, I could find very little information on this product, especially the manner in which it is processed. It is apparently used as a mold inhibitor (I do know that I am allergic to mold........). The company which is listed is in China, so I sent them an e-mail, but I don't know what, if anything, will become of it.

Have you heard anything about this ingredient? I can't say for sure if it is causing a gluten reaction in me, because my "symptoms" aren't those of the typical celiac disease patient - I hardly ever get diarrhea or stomach upset. What I do get is itchy skin, the "fidgets", and bloating/weight gain. I noticed the itchy skin and the bloating over the past few days (I had only eaten one of the foods before yesterday, then ate both - then made the correlation).

One of the sites which I was directed to was Whole Foods Market, and they will not accept any foods in their stores which use natamycin, other than cheese slices (one of the 2 products which gave me problems - not bought at WFM, but at Sam's Club). I am not sure why they have this policy, so I have sent them an e-mail asking about that.

Any help that anyone can give me would be greatly appreciated! Obviously, I am not going to be eating either of these items again, but I am wondering if I need to worry about giving foods with this ingredient in it to my other family members with celiac disease / Gluten Sensitivity, or if this is just a coincidental allergic reaction on my part. Thank you so much -

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I would like to reply to your post. I think it is not safe to say that natamycin is gluten free. I have had a reaction to feta cheese treated with natamycin two days in a row now. I did as much research as I could, and although the bacteria itself doesn't contain gluten, it is fermented, and I could not find out what is used to ferment the natamycin. Many aged cheeses use a wheat product in fermentation. One article I did read listed wheat as a possible ingredient in the fermentation process.

I, like you, have various other symptoms when encountering gluten. Just prior to finding out I had celiac, I did have chronic diarrhea and vomiting. Now, however, when I run across a smaller amount of gluten I am prone to the DH rash, extreme irritability, and headaches as well as stomach pain if I get a larger dose. I will not be eating anything containing natamycin in the future.

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I realize your original post is from quite a while back but I am going to respond anyway. I too have problems eating any cheese that has Natamycin in the ingredients. Usually, you will find this in pre-shredded cheeses, so i typically will just buy block cheeses and shred them myself.

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Even though these posts are really old, Infound it doing a search for natamycin. i have been gluten free for 11 years and not had problems. lately I have the rash and bowel and stomach symptopms. I really thought my low dose antibiotic might have some gluten in it but I have started reading labels. I eat amslice of this cheese(Sargento)everyday with my eggs. I usually avoid anything from China anyway so ill be skipping the cheese. I might suggest that also anyone reading this email the company and tell them why you wont be buying the product. I think that in numbers this tactic would work.

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