Blog: Chef Jemichel ~ The Chef-Doctor
by chef jem

Non-Fermented Soy, Tofu & Soy Milk Dangerous to Human Health

Letter to Mike Adams, the "Health Ranger" regarding the dangers of non-fermented soy products

Date:   11/22/2009 3:31:26 AM   ( 13 y ) ... viewed 5368 times

October 1, 2019 - The Ploy of Soy - By Sally Fallon And Mary G. Enig, PHD -

Commercial milk products[13] have been linked to a number of disease conditions including allergies, asthma, arthritis, diabetes, auto immune diseases, childhood anemia, heart disease and cancer. Many have turned to soy products as substitutes for dairy products.

A popular booklet describes soy foods as ” . . . uniformly high in protein but low in calories, carbohydrates and fats, entirely devoid of cholesterol, high in vitamins, easy to digest, tasty and wonderfully versatile in the kitchen, [which] positions them as irresistible new food staples for the evolving American diet. . . . with each mouth watering soy food dish,” says the author, “comes a balanced, adequate and sustainable nutritional package.”

Leaving aside the question of whether products like tofu and soy milk are really “mouthwatering” and “irresistible,” those charged with providing nutritious meals for their families should carefully examine claims that newly introduced soybean products provide an easily digested and complete nutritional package, one that adequately replaces dairy products like milk, butter and cheese, which have, after all, provided nourishment for generations of Americans.

History of the Bean
Soybeans come to us from the Orient. During the Chou Dynasty (1134 – 246 BC) the soybean was designated one of the five sacred grains, along with barley, wheat, millet and rice. However, the pictograph for the soybean, which dates from earlier times, indicates that it was not first used as a food; for whereas the pictographs for the other four grains show the seed and stem structure of the plant, the pictograph for the soybean emphasizes the root structure. Agricultural literature of the period speaks frequently of the soybean and its use in crop rotation. Apparently the soy plant was initially used as a method of fixing nitrogen. soybean did not serve as a food until the discovery of fermentation techniques, sometime during the Chou Dynasty. Thus the first soy foods were fermented products like tempeh, natto, miso and shoyu (soy or tamari sauce). At a later date, possibly in the 2nd century B.C., Chinese scientists discovered that a puree of cooked soybeans could be precipitated with calcium sulfate or magnesium sulfate (plaster of Paris or Epsom salts) to make a smooth pale curd – tofu or bean curd. The use of fermented and precipitated soy products soon spread to other parts of the Orient, notably Japan and Indonesia. Although the highly flavored fermented products have elicited greater interest among scientists and epicures, it is the bland precipitated products that are most frequently used, accounting for approximately 90% of the processed soybeans consumed in Asia today. The increased reliance on bean curd as a source of protein, which occurred between 700 A.D. and the present time, has not necessarily been a beneficial change for the populations of the Orient and Southeast Asia.

Fit for Human Consumption?
The Chinese did not eat the soybean as they did other pulses (legumes) such as the lentil because the soybean contains large quantities of a number of harmful substances. First among them are potent enzyme inhibitors which block the action of trypsin and other enzymes needed for protein digestion. These “antinutrients” are not completely deactivated during ordinary cooking and can produce serious gastric distress, reduced protein digestion and chronic deficiencies in amino acid uptake. In test animals, diets high in trypsin inhibitors cause enlargement and pathological conditions of the pancreas, including cancer. The soybean also contains hemaglutinin, a clot promoting substance that causes red blood cells to clump together. Trypsin inhibitors and hemaglutinin have been rightly labeled “growth depressant substances.” They are deactivated during the process of fermentation. In precipitated products, enzyme inhibitors concentrate in the soaking liquid rather than in the curd. Thus in tofu and bean curd, these enzyme inhibitors are reduced in quantity, but not completely eliminated.

Soybeans are also high in phytic acid or phytates. This is an organic acid, present in the bran or hulls of all seeds, which blocks the uptake of essential minerals-calcium, magnesium, iron and especially zinc-in the intestinal tract. Although not a household word, phytates have been extensively studied. Scientists are in general agreement that grain and legume based diets high in phytates contribute to widespread mineral deficiencies in third world countries. Analysis shows that calcium, magnesium, iron and zinc are present in the plant foods eaten in these areas, but the high phytate content of soy and rice based diets prevents their absorption. The soybean has a higher phytate content than any other grain or legume that has been studied. Furthermore, it seems to be highly resistant to many phytate reducing techniques such as long, slow cooking. Only a long period of fermentation will significantly reduce the phytate content of soybeans. Thus fermented products such as tempeh and miso provide nourishment that is easily assimilated, but the nutritional value of tofu and bean curd, both high in phytates, is questionable.

When precipitated soy products are consumed with meat, the mineral blocking effects of the phytates are reduced. The Japanese traditionally eat tofu as part of a mineral-rich fish broth. Vegetarians who consume tofu and bean curd as a substitute for meat and dairy products risk severe mineral deficiencies. The results of calcium, magnesium and iron deficiency are well known, those of zinc are less so. Zinc is called the intelligence mineral because it is needed for optimal development and functioning of the brain and nervous system. It plays a role in protein synthesis and collagen formation; it is involved in the blood sugar control mechanism and thus protects against diabetes; it is needed for a healthy reproductive system. Zinc is a key component in numerous vital enzymes and plays a role in the immune system. Phytates found in soy products interfere with zinc absorption more completely than with other minerals. Literature extolling soy products tends to minimize the role of zinc in human physiology, and to gloss over the deleterious effect of diets high in phytic acid.

Milk drinking is given as the reason second generation Japanese in America grow taller than their native ancestors. Some investigators postulate that the reduced phytate content of the American diet—whatever may be its other deficiencies-is the true explanation, pointing out that Asian and Oriental children who do not get enough meat and fish products to counteract the effects of a high phytate diet, frequently suffer rickets, stunting and other growth problems. The current climate of medical opinion in America has cast a cloud of disapproval on tallness. Parents would do well to ask their six-year-old boys whether they would prefer to be six-foot-one or five-foot-seven when they grow up, before substituting tofu for eggs, meat and dairy products.

Marketing the Soybean
The truth is, however, that most Americans are unlikely to adopt traditional soy products as their principal food. Tofu, bean curd and tempeh have a disagreeable texture and are too bland for the Western palate; pungent and musty miso and natto lose out in taste tests; only soy sauce enjoys widespread popularity as a condiment. The soy industry has therefore looked for other ways to market the superabundance of soybeans now grown in the United States.

Large scale cultivation of the soybean in the United States began only after the Second World War, and quickly rose to 140 billion pounds per year. Most of the crop is made into animal feed and soy oil for hydrogenated fats- margarine and shortening. During the past 20 years, the industry has concentrated on finding markets for the byproducts of soy oil manufacture, including soy “lecithin”, made from the oil sludge, and soy protein products, made from defatted soy flakes, a challenge that has involved overcoming consumer resistance to soy products, generally considered tasteless “poverty foods”. “The quickest way to gain product acceptability in the less affluent society,” said a soy industry spokesman, ” … is to have the product consumed on its own merit in a more affluent society.” Hence the proliferation of soy products resembling traditional American foods-soy milk for cows milk, soy baby formula, soy yogurt, soy ice cream, soy cheese, soy flour for baking and textured soy protein as meat substitutes, usually promoted as high protein, low-fat, no cholesterol “healthfoods” to the upscale consumer increasingly concerned about his health. The growth of vegetarianism among the more affluent classes has greatly accelerated the acceptability and use of these ersatz products. Unfortunately they pose numerous dangers.

Processing Denatures and Dangers Remain
he production of soy milk is relatively simple. In order to remove as much of the trypsin inhibitor content as possible, the beans are first soaked in an alkaline solution. The pureed solution is then heated to about 115 degrees C in a pressure cooker. This method destroys most (but not all) of the anti-nutrients but has the unhappy side effect of so denaturing the proteins that they become very difficult to digest and much reduced in effectiveness. The phytate content remains in soy milk to block the uptake of essential minerals. In addition, the alkaline soaking solution produces a carcinogen, lysinealine, and reduces the cystine content, which is already low in the soybean. Lacking cystine, the entire protein complex of the soybean becomes useless unless the diet is fortified with cystine-rich meat, eggs, or dairy products, an unlikely occurrence as the typical soy milk consumer drinks the awful stuff because he wants to avoid meat, eggs and dairy products.

Most soy products that imitate traditional American food items, including baby formulas and some brands of soy milk, are made with soy protein isolate, that is the soy protein isolated from the carbohydrate and fatty acid components that naturally occur in the bean. Soy beans are first ground and subjected to high-temperature and solvent extraction processes to remove the oils. The resultant defatted meal is then mixed with an alkaline solution and sugars in a separation process to remove fiber. Then it is precipitated and separated using an acid wash. Finally the resultant curds are neutralized in an alkaline solution and spray dried at high temperatures to produce high protein powder. This is a highly refined product in which both vitamin and protein quality are compromised-but some trypsin inhibitors remain, even after such extreme refining! Trypsin inhibitor content of soy protein isolate can vary as much as 5-fold. In rats, even low level trypsin inhibitor soy protein isolate feeding results in reduced weight gain compared to controls. Soy product producers are not required to state trypsin inhibitor content on labels, nor even to meet minimum standards, and the public, trained to avoid dietary cholesterol, a substance vital for normal growth and metabolism, has never heard of the potent anti-nutrients found in cholesterol-free soy products.

Soy Formula Is Not the Answer
Soy protein isolate is the main ingredient of soy-based infant formulas. Along with trypsin inhibitors, these formulas have a high phytate content. Use of soy formula has caused zinc deficiency in infants. Aluminum content of soy formula is 10 times greater than milk based formula, and 100 times greater than unprocessed milk. Aluminum has a toxic effect on the kidneys of infants, and has been implicated as causing Alzheimer’s in adults. Soy milk formulas are often given to babies with milk allergy; but allergies to soy are almost as common as those to milk. Use of soy formula to treat infant diarrhea has had mixed results, some studies showing improvement with soy formula while others show none at all. Soy formulas lack cholesterol which is absolutely essential for the development of the brain and nervous system; they also lack lactose and galactose, which play an equally important role in the development of the nervous system. A number of other substances, which are unnecessary and of questionable safety, are added to soy formulas including carrageenan, guar gum, sodium hydroxide (caustic soda), potassium citrate monohydrate, tricalcium phosphate, dibasic magnesium phosphate trihydrate, BHA and BHT. Nitrosamines, which are potent carcinogens, are often found in soy protein foods, and are greatly increased during the high temperature drying process. Not surprisingly, animal feeding studies show a lower weight gain for rats on soy formula than those on whole milk, high-lactose formula. Similar results have been observed in children on macrobiotic diets which include the use of soy milk and large amounts of whole grains. Children brought up on high-phytate diets tend to be thin and scrawny.

Fabricated Soy Foods
A final indignity to the original soy bean is high-temperature, high-pressure extrusion processing of soy protein isolate to produce textured vegetable protein. Numerous artificial flavorings, particularly MSG, are added to TVP products to mask their strong “beany” taste, and impart the flavor of meat. Soy protein isolate and textured vegetable protein are used extensively in school lunch programs, commercial baked goods, diet beverages and fast food products. They are heavily promoted in third world countries and form the basis of many food give-away programs. These soy products greatly inhibit zinc and iron absorption; in test animals they cause enlarged organs, particularly the pancreas and thyroid gland, and increased deposition of fatty acids in the liver. Human feeding tests to determine the cholesterol lowering properties of soy protein isolate have not shown them to be effective. Nevertheless, they are often promoted as having beneficial effects on cholesterol levels.

Cancer Preventing or Cancer Causing?
The food industry also touts soy products for their cancer preventing properties. Isoflavone aglycones are anticarcinogenic substances found in traditionally fermented soybean products. However, in non-fermented soy products such as tofu and soy milk, these isoflavones are present in an altered form, as beta-glycoside conjugates, which have no anti-carcinogenic effect. Some researchers believe the rapid increase in liver and pancreatic cancer in Africa is due to the introduction of soy products there.

The fatty acid profile of the soybean includes large amounts of beneficial omega-3 fatty acids compared to other pulses (legumes); but these omega-3 fatty acids are particularly susceptible to rancidity when subjected to high pressures and temperatures. This is exactly what is required to remove oil from the bean, as soybean oil is particularly difficult to extract. Hexane or other solvents are always used to extract oil from soybeans, and traces remain in the commercial product.

Soy Protein Is Not Complete
While fermented soy products contain protein, vitamins, anti-carcinogenic substances and important fatty acids, they can under no circumstances be called nutritionally complete. Like all pulses, the soybean lacks vital sulfur-containing amino acids cystine and methionine. These are usually supplied by rice and other grains in areas where the soybean is traditionally consumed. Soy should never be considered as a substitute for animal products like meat or milk. Claims that fermented soy products like tempeh can be relied on as a source of vitamin B12, necessary for healthy blood and nervous system, have not been supported by scientific research. Finally, soybeans do not supply all-important fat soluble vitamins D and preformed A (retinol) which act as catalysts for the proper absorption and utilization of all minerals and water soluble vitamins in the diet. These “fat soluble activators” are found only in certain animal foods such as organ meats, butter, eggs, fish and shellfish. Carotenes from plant foods and exposure to sunlight are not sufficient to supply the body’s requirements for vitamins A and D. Soy products often replace animal products in third world countries where intake of B12and fat soluble A and D are already low. Soy products actually increase requirements for vitamins B12 and D.

Are soy products easy to digest, as claimed? Fermented soy products probably are; but unfermented products with their cargo of phytates, enzyme inhibitors, rancid fatty acids and altered proteins most certainly are not. Pet food manufacturers promote soy free dog and cat food as “highly digestible”.

Only Fermented Soy Products Are Safe
To summarize, traditional fermented soy products such as miso, natto and tempeh-which are usually made with organically grown soybeans-have a long history of use that is generally beneficial when combined with other elements of the Oriental diet including rice, sea foods, fish broth, organ meats and fermented vegetables. The value of precipitated soybean products is problematical, especially when they form the major source of protein in the diet. Modern soy products including soy milks and ersatz meat and dairy products made from soy protein isolate and textured vegetable protein are new to the diet and pose a number of serious problems. ...

The article continues along with 34 footnotes.[15]

July 23, 2015 -

Over five and a half years since originally posting the piece that is titled here. I'm back now with another link to an article at the Weston A. Price Foundation's site. I'm doing this with a certain eighteen year-old lady in mind who has un-fermented soy in her diet.

I had some conversation with her about Weston A. Price, both the man and the foundation in regards to the findings that as far as we know there have been no vegan societies in human history (or that have survived). The young lady said she heard of one that was "almost vegan" in a certain South American country. I asked her for a reference so I could research and blog about that. I predict that she will not be providing me with any such reference.

"... Plants have evolved many different strategies to protect themselves from predators. Some have thorns or spines, while others smell bad, taste bad, or poison animals that eat them. Some plants took a different route, using birth control as a way to counter the critters who were wont to munch.

Plants such as soy are making oral contraceptives to defend themselves, says Claude Hughes, Ph.D., a neuroendocrinologist at Cedars-Sinai Medical Center. They evolved compounds that mimic natural estrogen. These phytoestrogens can interfere with the mammalian hormones involved in reproduction and growth – a strategy to reduce the number and size of predators.[1]

I mentioned to the young lady that her brain is still developing. I need to follow up with: "and it needs cholesterol-rich foods!" She had said that if she has to deny herself good nutrition in order that she can support "animal rights" then she's willing to suffer the consequences for doing that. One can only wonder whether this kind of thinking may be symptomatic of tofu (and other anti-nutrition plus nutritional deficiencies) on the brain?

March 1. 2020 - The 2011 Soy Foods Market Report -
MAY 6, 2011 BY Kaayla Daniel -

“Soyfoods: The US Market Report” has come out and it reports a “protracted slide” in soy milk sales as well as “lackluster performance in sales of tofu and soy infant formula” in the year 2010.

The industry blames three factors:

Competition from almond, rice, coconut, hemp and other non dairy milks
“Premium pricing” for many soy products
“Widely distributed information about the impact of soy on health.”

That last makes me (Kaayla) proud. Seems the decade-long campaign by the Weston A. Price Foundation is finally paying off. We’ve also been greatly helped in our “Soy Alert” campaign over the past year by Dr. Joseph Mercola, who has reached millions through his website, the world’s leading health and dietary website. Numerous other websites and Facebook too have helped the message go viral. The soy controversy even aired on The Dr Oz Show on October 5 in a segment that featured Dr. Oz, Dr. Mark Hyman and me. ...[]

Original post of -
November 20, 2009 -

To: Mike Adams, Health Ranger


I was really really REALLY sad (and surprised) to see that tofu, soymilk, and soy protein powder have been included on the 'health' side of the Honest Food Guide.

It's very important that this be corrected ASAP. The research demonstrating this is below. First, my story:

Back in 1999, after fifteen years of eating tofu, I started to hear about health writers who were panning tofu. My immediate reaction was, 'That is ridiculous. Nothin's better than the Bean.'

I refused to read articles that spoke negatively about tofu.

But soon, more writers that I respected began to have bad things to say about tofu, so, even though I didn't want to abandon a food source I had relied on for a decade and a half (three years of which I had been a vegetarian and during which I ate tons of tofu), I decided to look into the issue.

What I found, after reading sources including Tim O'Shea's 20-page expose on the soy industry[2]
and Elaine Hollingsworth's treatment of soy in her book on what she calls the Sickness Industry[3] is that soy 'in its unfermented state' is dangerous to human health.

I decided to stop consuming tofu and soy milk.

For many years, my knees had been in pretty bad shape. I couldn't get up from a squat without groaning, because the pain was so bad. I had assumed that the pain in my knees was permanent and was caused by lots of skiing when I was a kid. I had loved to jump off moguls, quite careless of the quality of my landing.

Within 10 days of stopping tofu and soy milk consumption, my knees stopped hurting completely. (Today, on the occasion that I eat a little bit of tofu from a salad bar, I feel a twinge of pain in my knees the next day, and then it's gone.)

At the height of my soy consumption, I also had a ringing sound in my head. Not a ringing exactly, but sort of a pulsing seashore swell sound. It was quite scary. This also stopped after I ended my tofu / soymilk consumption.

The dangers of unfermented soy are numerous, and I'm not going to go into them here. But if I were a consumer of tofu and/or soy milk, I would read Tim O'Shea's article, "The Magic Bean?"[3]

This article tells the story of how all of us were fooled by Bean marketers into believing that tofu and soy milk were health food products.

To be very clear, none of the researchers I have read implicate organic FERMENTED soy (miso, tempeh, etc.) -- which has a very good track record as regards human health.

It's only highly processed NONFERMENTED soy -- tofu and soy milk -- that is dangerous to human health.

Dr. Mercola giving a six-minute talk on soy[4]

Vegetarian Diet In Pregnancy Linked To Birth Defect[5]

Pregnant Women Should Not Eat Soy Products[6]

Learn The Truth About The Historical Use Of Soy[7]

Link Between High Soy Diet During Pregnancy and Nursing and Eventual Developmental Changes in Children[8]

24 more anti-soy articles[9]


Jock Doubleday
Natural Woman, Natural Man, Inc.
A California 501(c)3 Nonprofit Corporation[10]

11/22/2009 -

Hunger strike!

Jock Doubleday will not eat anything until Mike Adams answers his letter (below) about the dangers of tofu, soy milk, and soy protein isolate, which Mike has placed squarely on the "health" side of his Honest Food Guide.

"Come on, Mike! Enough stonewalling. Tell the people why these dangerous foods are "honest."

Mike's "Honest Food Guide"[11]

October 1, 2019 - "The old-fashioned, fermented 'good old soy' products miso, natto and tempeh" and Not Tofu![] -













[12] In the third reply at:

[13] There are two milks. "Commercial milk" is a relatively modern-day product when it is viewed within the context of the whole history of milk. The longer history of milk is a product of healthy lactating animals that are very well-nourished when feeding upon their natural diet of pasture. The milk (and many milk products) from these animals has nourished and sustained countless generations of nations of people. Commercial milk is an entirely different product for a number of reasons. Firstly (in regards to cow milk) the animals are typically kept in confinement where their "feed" gets delivered to them in forms that are convenient, efficient and as inexpensive as can be purchased. Most often the feed is a grain. Cows are not designed to eat grain. Grain ferments in their stomachs. That plus the lack of the full spectrum of nourishment that can only be had outside on green pastures causes the animals to be less than healthy and to prevent disease an array of pharmaceuticals products are added to their feed. The milk from these less-than-healthy animals is ... naturally - less-than-healthy. Consequently it has to be pasteurized to kill all the bacteria. Commercial milk also gets homogenized which (according to Mark mcAfee and Dale Jacobson[14]) has a more damaging effect on the integrity of the milk fat and that loss of milk fat integrity then becomes problematic in the human digestive system.

[14] Presented in the DVD: "Raw Milk: The Whole Truth." produced By: Chef Jemichel.




unfermented soy, Soy history, anti-soy, vegan societies, neuroendocrinology, phytoestrogen, hormones, brain, nutrition, tofu, soy milk, Vegetarian, child development, Commercial milk, allergies, asthma, arthritis, diabetes, auto immune diseases, childhood anemia, heart disease, cancer, fixing nitrogen

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