Because food allergies can throw a big wrench into trying to be vegan, I thought I’d pass on this article from Today about a doctor who has been desensitizing children to their severe reactions by giving them small doses of the allergenic food.

If you have severe allergies, please do not try this yourself without medical supervision!

Children’s severe food allergies fade after one doc’s new treatment

Maybe some day it will turn into a reliable treatment for people with food allergies.

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Question:

In my work, I come across people all the time who claim they would like to be vegan but because of food allergies, food sensitivities or a certain medical condition (like multiple sclerosis), they need to consume animal products for optimal health. What is the best way to respond to such claims?

Answer:

There are plenty of people with food allergies or sensitivities that are vegan, so it might be beneficial to let such people know that there may be many others like them but who have succeeded at being vegan.

I would find out more about their condition and find out what they think meat is providing for them, and then suggest plant food alternatives to provide the same nutrients. With many medical conditions, people just think they need protein, which should be easy to solve.

Here are some articles on food allergies and being vegan that might help you:

http://jacknorrisrd.com/?cat=22

If you know of someone with a specific condition who is saying this and you can find out more about it, feel free to email me and I’ll see if I can add anything of value.

I am always happy to try to help any people my readers might come across who want to be vegan but think they have a condition that prevents it. But, I ask that the people with the condition write me ̵ I won’t initiate contact with the person with the condition as that can be awkward. 🙂

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This is an article written for the Food Empowerment Project’s Food Chain newsletter Issue #11 (not yet published).

Soybeans and their products are often common ingredients in plant-based diets. Soyfoods include edamame, tofu, tempeh, soymilk, soy meats, soy ice cream, soy-based mayonnaise, miso, soy sauce, and many others. Soy is also one of the richest sources of protein in the plant kingdom. Because soy is so common, people with soy allergies sometimes wonder how they can possibly be vegan.

A true soy allergy can result in hives, itching, swelling, wheezing, and digestive upset. In very rare cases, a soy allergy can be life threatening and require immediate medical attention.

Soy allergies occur in 1 to 2 out of every 1,000 people. Soy allergies are often developed in infancy and many children grow out of the allergy as they age. In comparison to other typical food allergies, soy allergies tend to be slightly less prevalent and also less intense (on average).

If you think you might have a non-severe soy allergy, one way to test it is to stop eating soy for 3-4 weeks, and then try a small amount of soy and see what happens in the next 24 hours. If you think you have a severe soy allergy, you should not try soy without supervision by a medical doctor.

The good news is that although soy is very common in plant-based diets, it is not necessary. Many vegans have existed without soy. Other than soy, the best sources of protein are other legumes. Legumes include garbanzo beans (chick peas) which are used to make hummus and falafel, pinto beans used in most refried beans and burritos, black beans, lentils, split peas, green peas, black eyed-peas, and peanuts. Quinoa, seitan, and pistachios are also high sources of protein for vegans. If you eat a few servings of these foods each day, you should be getting plenty of protein.

And remember that in addition to soymilk, there is rice and almond milk, and in addition to soy ice cream there is rice, almond, and coconut ice-cream. Check labels as some might contain some soy. Daiya cheese, one of the most popular non-dairy cheeses that melts when heated, contains no soy. Field Roast meats also contain no soy.

References

Cordle CT. Soy protein allergy: incidence and relative severity. J Nutr. 2004 May;134(5):1213S-1219S. | link

Soy Allergy. MayoClinic.com. Accessed 12/12/2012. | link

Tyler, Steve. Estimating Prevalence Of Soy Protein Allergy. SoyConnection.com Accessed 12/11/2012. | link

A study came out today discussing the fact that cooking can reduce the allergens in legumes. I added this to the list of benefits of cooking in Raw Food Vegan Diets.

No biggie, but thought some people might be interested.

Reference

Verma AK, Kumar S, Das M, Dwivedi PD. Impact of Thermal Processing on Legume
Allergens. Plant Foods Hum Nutr. 2012 Dec 7. (Abstract)   |   link

After my post about Leaky Gut Syndrome, I had an interesting exchange with a reader:

“Did you, by any chance, read this article in the August issue of Scientific American, concerning celiac disease and leaky gut?

“Later in the article, it is mentioned that the medical profession had treated the concept of leaky gut with skepticism, but now it is known that there is such a thing, and how zonulin can change the permeability of the small intestine.

“Concerning my own history, which may be relevant, I have a long history of inhalant and food allergies; took allergy shots for 40 years. Since 9 months ago, when my doctor put me on the following regimen, I have been virtually allergy free for the first time in memory, not only to foods, but to inhalants like pollen, dust, mold, etc., and was able to quit the allergy shots – which weren’t doing that much good anyway. Also, I have not experienced any asthma attacks during the past 9 months (which is unusual). My whole life has been spent with a Kleenex in hand because of a constant nasal drip, but not anymore!

“The regimen is prescription enzymes, Pancrelipase 20000 3 x day, plus HCL (650 mg) with every meal (3 to 5 caps depending on size of meal). You start out with 1 HCL and then work up gradually to determine your limit because you don’t want to overdose and burn your stomach. Unfortunately, the enzymes are not vegan. [Note: “Pancrelipase” sounds like it would only digest fat, but it also contains enzymes to digest protein and carbohydrate.]

“The whole point I find interesting is how my chronic allergies could be so tied to poor digestion, and possibly a leaky gut – which I was told I had by alternative therapists in the 60’s and 70’s. The “real” docs just put me on allergy shots.

“Also, my main food allergies were dairy and eggs (found by RAST test done by “real” doctor) and were making me constantly ill, so I gave them up. It was so easy to become vegan after that.

“It’s a shame about the animal source enzymes, probably the only non-vegan thing I’m doing though – except for feeding my cats meat (yuck!).

“One other thing about the enzymes and HCL: For a long time I thought I was gluten intolerant because of digestive problems (bloating, gas) whenever I ate wheat. Now, gluten products don’t bother me at all! So I wonder if a lot of the gluten intolerance craze is really a problem with poor digestion?

“The HCL alone works for digestion, but the digestive enzymes seem to be crucial in reducing allergic inflammation, like stuffy sinuses, asthma, runny nose, etc. None of the plant enzymes I have tried are as powerful.

“I started taking the prescription pancreatic enzymes 1 week before I started the HCL regimen. My head cleared up immediately upon taking the first enzyme capsule, and stayed clear, with no more nasal drip. It appears that I no longer have any inhalant allergies. I feel wonderful and more energetic because I can finally breathe. I’ve had no asthma or any other allergic symptoms during this time. It’s unbelievable considering my vast allergy history.

“All the plant enzymes I have tried before would cause my head to clear up for just a minute or two on a few occasions, but did not have lasting effects on my usual allergies. I have not yet experimented with megadoses of plant enzymes, however – so that might be something to try in the future.

“I was shocked to find that I can take as many as 7 HCL capsules during a large meal with no burning at all! That must mean I produce almost no HCL. My husband, on the other hand, experiences burning with even 1 capsule – so his HCL level is apparently normal. It’s very important to start with only 1 capsule and then work up, because you could do some serious damage with HCL. [Note to readers: You should only use HCL under the guidance of a physician.]

“Since being on both of these supplements, I seem to be digesting everything better and no longer worry about gluten or any other foods except [a couple brands of soy ice cream].

“Unfortunately, here is another glitch. I take Solaray Betaine HCL with Pepsin 650 mg. From what I can tell, the pepsin is not vegan either – darn! I don’t know if the HCL alone (if you can find it) would be as effective. More and more, I like VO’s stated philosophy of not sweating small non-vegan ingredients. Surely, if we are all vegan in the future, pancreatic enzymes, lipase, and pepsin will be able to be humanely synthesized.”

—-

The article referred to above from Scientific American suggests that many autoimmune disorders might be triggered by an underlying case of celiac disease and/or a leaky gut. Celiac disease is an autoimmune disorder triggered by eating gluten and related proteins in some grains. The article says that about 1% of people have celiac disease, although most do not know it.

Zonulin is a protein that is released by intestinal cells and causes the gaps between intestinal cells to be more permeable and allow undigested proteins to seep through, where an immune response will be mounted against them. Many people with autoimmune diseases have unusually high levels of zonulin and high intestinal permeability. In cases of celiac disease, gluten causes an increase in zonulin.

Alvine Pharmaceuticals is in the process of creating digestive enzymes that break down gluten fragments that are normally resistant to digestion. I do not know if they could be considered vegan.

The author of the Scientific American article, Alessio Fasano, co-founded Alba Therapeutics which is working on a drug, Larazotide, that inhibits zonulin. They are currently conducting clinical trials.

Leaky gut syndrome is a phenomenon that may, or may not, actually exist. The theory is that things (such as antibiotics, infections, and inflammation) can damage the cells that line the intestines and weaken the “tight junctions” between the cells. This causes there to be small gaps between the cells and, thus, particles that the cells would normally prevent from entering the bloodstream get through. This, in turn, causes the body to mount an immune reaction against these particles which are viewed as foreign invaders.

A leaky gut has been implicated by various nutritionists as one of the causes of chronic fatigue syndrome — another syndrome about which little is known with certainty.

Wikipedia.org has a concise explanation of leaky gut syndrome. Most interest has been about its relation to autism, but that is not my focus here.

It is my own personal theory that allergy tests that measure immunoglobulin G (IgG), and find that someone is “allergic” to a host of different foods, are sometimes merely uncovering a leaky gut in someone who is not actually allergic to all or most of those foods.

So what does the research say? Not much. There has been very little published on leaky gut syndrome. I could find only one clinical trial (1).

The purpose of this trial was to see if they could get immunoglobulin A (IgA) and M (IgM) levels to go down in people with chronic fatigue syndrome. To do this, they used a dietary regimen, but their purpose was not to actually test this regimen, and they, therefore, give very few details about it; they merely say:

“All patients followed the leaky gut diet and took glutamine, zinc and [N-acetyl-L-cysteine], in combination with other [natural anti-inflammatory and antioxidative substances], which were given according to the immune and biochemical status of the patients, i.e. L-carnitine, coenzyme Q10, taurine and lipoic acid (in case of carnitine and/or coenzyme Q10 shortage); or curcumine and quercitine (in case of systemic or intracellular inflammation).”

They described their “leaky gut diet” as a dairy and gluten-free, low-carbohydrate diet.

Their study found that some people’s IgA and IgM levels were reduced on this regimen. They also found that a younger age at onset of chronic fatigue, a shorter duration of illness, and a younger age of the patient led to a better outcome.

It’s important to note that there was no control group and so it could be that patients were merely responding to the care and attention they were receiving or from a placebo effect.

This blog post is just to get something started on the subject. As more research comes out, I will post updates.

Reference

1. Maes M, Leunis JC. Normalization of leaky gut in chronic fatigue syndrome (CFS) is accompanied by a clinical improvement: effects of age, duration of illness and the translocation of LPS from gram-negative bacteria. Neuro Endocrinol Lett. 2008 Dec;29(6):902-10.

Common question I receive:

I just found out recently that I’m allergic to [insert five to ten common plant foods]. Can I still be vegan?

Answer:

Whenever I see that someone is allergic to so many different things, it makes me think they probably have leaky gut syndrome which can give the impression on some food allergy tests that someone is allergic to some foods when they actually are not. I hope to eventually write an article on treating a leaky gut, but do not have one at this time.

I would also be skeptical of food allergy tests as they can give false positives. If I really thought I had a food allergy, I’d go to an allopathic doctor and get a referral to someone who can use the most reliable tests for determining allergies. Click here for a decent article on food allergy testing.

In addition to food allergies, there are food intolerances which will not show up on food allergy tests. The best way to deal with these is to do an elimination diet in which you do not eat the offending food for two to four weeks, see if the symptoms abate, and then add the food back in and see if the symptoms return.

The Food Allergy Survival Guide is a book about eating a vegan diet for people with food allergies.