The Dangers of Soy

I want to finally post an article I saved off some time ago from one of my favorite blogs,  The Food Renegade

Are you convinced yet about the dangers of soy? Many aren’t. “Is soy bad for you? …Really?” I hear the question so often I want to scream.

After decades of hearing marketing spin about how soy is a wonder food, a protein-rich legume able to rescue us from our dependence on meat, I suppose it’s understandable why so many people have yet to understand fully the dangers of soy. Really, you’re not going to get the full story unless you research it on your own. And why would you, when soy is “universally” touted as a health food? Well, it isn’t.


These Monsanto pictures I spliced into the article are a reminder of the one point missed in this article, that over 90 percent of the Soy acreage in the USA is Monsanto Roundup Ready Genetically Modified Soy

Dangers of Soy

Thankfully, more and more independent research has been done regarding the dangers of soy, and what it’s revealed should scare you.

Soy Danger #1: Phytoestrogens

Soy is higher in phytoestrogens than just about any other food source. Phytoestrogens are plant-based estrogens that mimic estrogen in our bodies. In recent years, you may have read about studies which indicate phytoestrogens are good for you. But ask yourself, who funded those studies? The soy industry, that’s who. Independent research has clearly shown that consuming phytoestrogens is downright dangerous for the human body.

It’s only common sense……

No one argues, for example, that a leading cause of breast cancer, endometriosis, uterine fibroids, infertility, and low libido is unopposed estrogen, or estrogen dominance. Why, then, would anyone argue that we should consume more of a food high in estrogen?

An infant taking the recommended amount of soy formula is consuming a hormone load equivalent of 4 birth control pills a day! Is it any wonder we’ve seen such a dramatic rise in precocious puberty with young girls starting their periods at 6 and 7?

Soy Danger #2: Goitrogenic

Soy will destroy your thyroid. Many foods are goitrogenic (thyroid suppressing), but soy is king of them all. Goitrogens work by preventing your thyroid from getting the necessary amount of iodine. Friends, I believe this is what happened to Oprah’s thyroid. She pushed soy for years, featured it in everyone one of her “healthy” diets, and it destroyed her thyroid. If your thyroid fails, what happens? You gain weight. You have a harder time regulating your moods. You get colder more easily. You’re more easily fatigued. You demonstrate an inability to concentrate and remember details. The list goes on. You simply don’t want to mess with your thyroid.

Soy Danger #3: Phytates

Phytates are enzyme-inhibitors that block mineral absorption in human digestive tract. They are naturally present in all grains, seeds, nuts, and legumes (which is why everyone should read this primer on how to eat grains, if you eat them at all.) But soy is so high in phytates that it’s almost impossible to get rid of them. Simply soaking soy overnight in an acidic medium won’t do the trick. Soy must be fermented in order to be digestible to humans. That means that if you eat soy at all, you should stick to fermented soy products like miso, tempeh, natto, or a naturally fermented soy sauce (tamari).

Soy Danger #4: Trypsin inhibitors

Finally soy is rich in trypsin inhibitors. Trypsin is a digestive enzyme we need to properly digest protein. Without enough trypsin, you’ll experience many digestive problems including stomach cramps, diarrhea, and bleeding. You’ll also be leaving yourself open to future problems with your pancreas.

But, people say, what about Asians?

They eat soy every day, and they’re so healthy! In this article by Nina Planck, she writes:

Soy farming started around 1100 BC in China, where it was used to build soil fertility and feed animals. Soy beans were not considered fit for humans until the Chinese learned to ferment them, which makes them digestible. Asian diets now include fermented soy beans in the form of natto, miso, tamari, and tempeh.

Soy producers want you to eat more soy — more than the Asians eat, and more than is good for you. The Japanese and Chinese eat 10 grams of soy per day — about two teaspoons. Yet a soy manufacturer recommends Americans eat ten times what the Japanese eat — 100 grams of soy protein per day. In The Soy Zone, Barry Sears recommends a daily diet of a minimum of 50 grams of soy, and up to 75 grams for women and 100 grams for men. It’s like red wine: a glass or two a day may be good for you; a bottle or two every day rots your liver.

Did you catch that? Asians only eat 2 teaspoons of soy a day, usually as a condiment, and it’s highly fermented! Fermentation takes care of many of the dangers of soy. Plus, the typical Asian will also consume soy with mineral-rich and nutrient-dense foods such as fish broth (naturally high in iodine & other minerals which support the thyroid).

So, Is Soy Bad For You?

The short answer? YES! Let’s be clear on the recent history of soy. The soybean was a modest and unpopular crop until food manufacturers intent on creating cheap vegetable oils convinced the U.S. government to start subsidizing it. The soy was turned into oil, and the industry was left with an industrial waste product. Then somebody had a brilliant idea:

Let’s take this industrial waste product full of toxins and carcinogens — isolated soy protein — and turn it into food that people will eat!

Soy foods were born.

Soy Protein & Soy Milk Dangers

From Nina Planck’s article:

The FDA refused to approve isolated soy protein as a safe food additive with the designation “Generally Recognized as Safe.”

Agribusiness giant Archer Daniels Midland withdrew its application for the coveted GRAS status for soy protein, after an outcry from scientists about the toxins and carcinogens that come with it. They can still put soy protein in your food, but they have to get pre-market approval for every product.

Isolated soy protein is no health food. But we don’t eat soy protein with a spoon. How do we eat it? It is the main ingredient in soy burgers, ice cream, milk shakes, and fake cheese. These soy protein products are phony foods — but they must look like the real foods they imitate. So the soy industry transforms a small yellow soy bean into something resembling a hamburger. They make soy “milk” and “ice cream” white and creamy.

The other ingredients in these foods are no better for you than the soy protein that goes into them. Soy milk, for example, is simply a cocktail of soy protein, sugar, and vegetable oil. The “natural” MSG formed in soy processing is already bad for you, but even more MSG, and more flavorings, are added. Imitation foods need a lot of help to be tasty. Many savory soy foods are loaded with additives to give them the flavor of the real foods they mimic. Most imitation meat, for example, contains man-made MSG, which causes migraines and is associated with brain cancer.

Soy foods aren’t real food. They aren’t traditional. They aren’t old.

They’re industrial waste products dressed up in pretty clothes and marketed to an ignorant public.

What Do I Recommend As Alternatives To Soy Milk?

If you can’t do dairy and are looking for healthier alternatives than soy milk, please see Healthy Milk Substitutes With Recipes for a couple of excellent alternatives you can make at home.

One alternative I particularly enjoy is coconut milk. It’s full of the best kinds of saturated fat — medium chain triglycerides — which help speed your metabolism. It’s also exquisitely flavorful and perfect stirred into curries, soups, and sauces. Sadly, almost all coconut milk available at your grocery store comes in BPA-lined cans. To my knowledge, only Native Forest and Aroy-D brands are BPA-free, and not all stores carry them.

[Original Article Writer’s comment]:

Reader comments below prompted me to include a couple of additions to this post. The questions: What about tofu or homemade soy milk? Their consumption is quite widespread in Asian cultures, and they’re non-fermented soy foods. Are they okay? The answers: Tofu originated around the 2nd century BC in China, and it was made from fermented bean curd. That is how it was traditionally made before the days of refrigeration. Most modern tofu isn’t fermented anymore. You can still buy varieties of fermented tofu (aka “Stinky Tofu” or “Pickled Tofu”) in some Asian markets, though. Also, according to the most comprehensive online account of soymilk’s history, its use was rare before the 20th century and widespread usage was highly unlikely. In other words, it’s not a traditional food. Nor is non-fermented tofu. They’re the Asian equivalents of margarine, hot bath canning, “vegetable oil,” or soda pop — something relatively new on the food scene which became very widespread with the industrialization of the food supply. And like these industrialized food products, they are bad for your health.

Still not convinced of the dangers of soy?

If a blog post alone isn't going to convince you, then perhaps you’d like to read an entire book on the subject written by Dr. Kaayla T. Daniel?

In her groundbreaking book on the subject, The Whole Soy Story [book on AMAZON], Dr. Kaayla T. Daniel uncovers the truth about soy that the government and the soy industry has tried to suppress.

She’ll wow you with research, entertain you with her witty writing style, and have you believing that soy is simply not as safe as we’ve been led to believe.

entire text of this article copied from an article on the FoodRenegade blogspot


~stay healthy~


click here or photo below for all my articles in "Eat Smart"

11 Responses


I have a soy, dairy and what allergy. What can I use instead of soy sauce. We LOVE Asian food and cook it at least once a week. I’ve just been dealing with feeling like crap after I eat but it’s getting worse so I’m 100% soy free as now.


Some people say they make a fish sauce, though I never tried it. Here is a link about fish sauce


I greatly appreciate your article on soy. At one time I believed that this was a very good and safe way to infuse more protein into my diet…I even made a very delicios marinated soy dish. However, I found out differently soon afterwards. You really go into details on soy that I haven't read before. I'm cutting out a number of food and drink from my families diet, replacing them with more organic and whole foods. I use these now, but time to make a total change.

I have a great passion for food and cooking…however, it's time for me to 'trim the fat' so to speak and add more healthy dishes. Your site is a great motivator.


Hey [again] Ruby….

You hit the nail on the head with that comment and I totally agree. But everything is a process, so getting to that point of “trimming the fat” happens when you are at that place. I think some people just don’t wanna eat meat, but many other think meat is inheriently unlealthy which I think is false. I think you can’t go wrong with real food, but to do it right, you gotta get quality meat, eggs, and birds. I just had 4 Whole Foods pasture raised eggs a minute ago, and the taste was so righ and good, fried in coconut oil, truly good, an dmy cholesterol tests are always perfect!!!!.

Like you blog BTW, I’m a big fan of people who tell a little story with a recipe. It seems you have a passion for living and life and food, so maybe its time to take it to the next level with amazingly delicious food that is ultra healthy!!! That’s really all I’m trying to promote on the food side of my blog. You can have food to die for, and when you look into the science of food, you can make it work for your health as well.

Also, I gotta do that Crab Stuffed Shrimp, Crab Stuffed Squash Blossoms and Forbidden Rice on your site!!!

It’s always an honor and a thrill when someone notices my blog, note I am ad-free and “not-for-profit” so great comments are my only payment. ~stay healthy~



I appreciate your detailed blog, but I believe soy has been too demonized. As if it was a dangerous and poisonous chemical. It has worked great for me and my sister. My health is perfect, blood tests perfect for years and years of consuming soy products moderately. Tofu, and soy milk. My sister has hypothiroidism. If she runs out of soy milk and tofu and she can't have it for a few days, her hypothyroidism suffers and she doesn't feel well. As soon as she has them again, she gets better. I believe that as long as soy is organic and is consumed moderately, it is beneficial for health. The Physicians Committee for Responsible Medicine (PCRM) seems to think the same. I admire and respect their work, and I don't believe they work for the soy industry.


hi mari,

thanks for your comment, i always welcome opposing opinions to this site so readers can see both sides and be their own judge and jury.

but i must re-state i am fiercely in the anti-soy camp. it it works for you, then obviously you have to follow your own instincts, an no one can judge.

i have the same discussion with vegetarians as pertains to me consuming chicken , fish and meat. for me it my choice if it is something to consume.

stay healthy


Holy… I didn't know soy could destroy your thyroid like that.

I've been keeping a special diet for my hypothiroidism *****link deleted****** but now I know something else to avoid.


I have just stumbled onto your website, wow, I love this article! You have hit the nail on the head! Post total-thyroidectomy (cancer), my body cannot process soy, wheat, corn or sugar like before. As for soy, within minutes of consuming soy, I have shooting pains up and down my arms, hands, and feet. It is excruciating and my doctors all want to sum it up to recent food sensitivities. I wish I could share at picture with you of my before and afters. I was a healthy weight, then after thyroid surgery I put on over 70 pounds. From one day to the next, I couldn’t wear my clothes. As soon as I went on my own elimination diet, I found things I can no longer eat. Even cauliflower gives me stomach discomfort. But since eliminating soy, the weight has started to fall off. And buyer beware, SOY is in everything processed. So, my question is why, can my body not process these foods? I have no thyroid… so what are these foods doing to our thyroids? Also, this should serve as a reminder our bodies need to be taken better care of. You are what you eat! Literally!


Hi Beth Dennis,

Sorry to hear about your health issues……

Soy is nothing but a scam, as i mentioned in the article, and every place else on my site where i mention soy. The soy we consume has ABSOLUTELY NOTHING with the traditional fermented soy historically consumed in the Far East. Even with that the traditional fermented soy was consumed in far less quantities as the pounds and pounds of soy consumed my Americans every year.

A Lot of the soy used in foods such as cookies and protein bars and so forth is Soy Lecithin (if i spelled that right), and from what I remember in my research, Soy Lecithin is mainly a waste by-product of sludge that is produced during soy processing. In theory, they should throw the Soy Letichin away, but they sell it to food manufacturers, because it’s texture allows it to be used to bind foods together, such as with cookies and pastries.   SIGH 🙁

Anyway, if you see a Pharmaceutical commercial for a diabetes pill on TV, where the person is “dancing around”, it just goes to show that the Pharmaceutical, Medical, and Food industries can put anything in our heads about what is OK put it your body.

Canola Oil is another example, nothing but toxic poision, but they are marketing it as a healthy Omega 3 oil.

Not sure why I get so passionate about this stuff, but I’ve seen too many people get ill and die, my mother the most recent one, and I know for sure their lives could have been changed for the better and saved with just some basic knowledge of the foods we put in our body. Note I said “basic” knowledge.

Sorry, didn’t mean to go on a rant but I guess we all are wired to be passionate about something……

Thanks for reading and commenting

Doug at GAIA Health Blog




Never ever apologize for being passionate about something, especially the products we consume daily. And another thing to add to my soy hatred, I found soy protein in my hair products to give me headaches. I tell folks all the time to just google search serotonin inducing foods and eat from that menu this week, then just see how your outlook changes.
NO MEDICATIONS REQUIRED! I going to seem like a crazy person because I want to comment on all your articles. Instead, I plan to share them with my world. Keep up your research!!! I have enjoyed reading your articles! HEALTHY PEOPLE MAKE HEALTHY DECISIONS.


Hi Beth Dennis,

Thanks for your great comments. I value people taking time to comment ,because real life comments have a lot of value to other people trying to get started taking their health and life back.

So far as Soy in your hair care products, one thing I try to stress to women in my women’s articles, since women in general put more “stuff” on their hair and skin, is the skin and scalp consumes what you put on it just like the mouth consumes food, and arguably much faster, because what you put on the skin/scalp, unlike what goes into your mouth, the skin has no digestive “buffers and filters” to break down the stuff like the digestive system, thus the product goes straight into your bloodstream and body. That’s why I stress to women that going all-natural with skin/body/haircare is not just a “trendy” or “earthy” think to do. If the objective is to look nice and look young and vibrant, you gotta take control of what you are feeding your skin and hair. That applies to men too, but women put a lot on their skin and hair year after year….

I also must confess, I love when I get a few “accolades” on my site. Since I’m not-for-profit, those compliments and accolades on my site are my only payment, and I must confess, still a thrill when I get one every month or so, after 6-7 years of this site being up.

If you comment on all my articles, take it easy on me with my “Body” Slideshow articles, with all the “Buffed Babes”  and hot bodies LOL!!!. But with all those photos of hot women in the “Body and Soul” section, I get a few critics on those but surprisingly a lot of good feedback from women. The Feedback I get from women, is that’s the easiest way to get them to get their butts up and go to the gym, as well as eating right. That being, the desire to have a “booming body”.

But, the site has in it every aspect of my personality, from the “booming babes”, to my favorite music, to my own music I started making, as well as nutrition and health science. All aspects of the gazillion thing in my head I guess.

I didn’t want to bore people with only nutrition science, but make it more of a “lifestyle” site, with cool cribs, travel destinations and all that. Just wanna make it a good fun web browse, good visuals, no advertising, and of course I’m gonna try to slip some health science in on ya’ if you’re not careful 🙂

Anyway, I looked up that Serotonin, pretty interesting, I think that’s one of the main benefits of Cacao Chocolate. I might have to dig into that further, might make a good article.

Anyway, happy reading, I’m glad you’re getting a few “tidbits” out of the site. So comment on girl!!! It’s important for people to share their health experience. That’s how we learn something valuable, instead of spending all our time on the web fighting as Democrats vs. Republicans. Comments is how I just leaned about “Serotonin” 🙂

Doug at GAIA Health Blog

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