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Soy problems

There is no other natural food that is so controversial than soy. Soy is a healthy food that is rich in antioxidants, protein and minerals. It may help improve your heart health, reduce your risk of certain cancer and alleviate menopausal symptoms. But others claim that soy is unhealthy and should not be eaten unless in fermented form. Two well known soy bashers are Dr. Mercola and Dr. Fallon. They have written many anti-soy articles which have been widely circulated. They claim that soy is full of toxins, promotes cancer, causes Alzheimer and lets your brain shrink! Their cases are mainly built on a few animal studies in which rodents were fed extremely large amounts of soy isoflavones.

Soy allergy

About 0.5% of the population is allergic to soy and should avoid its consumption. Luckily, symptoms of soy allergy are mild and life-threatening allergic reactions, as can happen with peanuts, are extremely rare.

Soy and cancer

Some experimental studies using rodents or cultured cells show that soy components may increase the risk of cancer. But all epidemiological and clinical studies involving humans demonstrate a protective effect of soy.
Countries with a high consumption of soyfoods have a far lower cancer rate than in those countries where their use is less. Especially the effect of soy on breast cancer risk is still an ongoing debate, but more recent studies show that soy is safe and actually reduces this risk.

Soy and the thyroid function

Soy contains compounds called goitrogens that interfere with thyroid function. Around 1950 there were indeed several cases of goiter in infants fed with soy flour based formulas which were not fortified with iodine. Today formulas are always fortified with iodine and no cases of goiter have been reported in babies fed with these formulas. After a review of medical literature the FDA found no proven evidence that soy would harm the thyroid.

Soy and acne

There is only one scientific study that mentions a link between soy and acne: a study at The Chinese University of Hong Kong found that "the intake of dairy and soy products was significantly associated with a lower incidence of acne". But why do some people write on our forum that their acne gets worse during periods when they eat more soy products? Maybe they belong to the small group of persons that are allergic to soy and develop acne-like conditions.

Soy and gout

Is soy safe for gout patients? In 1998, a Japanese study by Yamakita and co-workers of Hyogo College of Medicine found that eating tofu is a safe for gout patients. One 2004 study by Hyon K and co-workers found that a moderate intake of purine rich vegetables is not associated with increased risk of gout. Protein rich foods tend to contain higher levels of purines but the proteins seems to lower the serum uric level, especially vegetable protein. The Mayo Clinic recommends eating more plant-based proteins, such as beans and legumes.


Soybean has many organic acids. These acids are the main cause of ill-effect in soybean. So cook properly till these organic acids is minimized.
Guest - 24/10/2013

Uma - 06/11/2014

acne vulgaris

I m suffering from acne vulgaris that arise due to period disorder as my is it because of less estrogen production in my body???I m also suffering from less Brest can i take soy milk?? Is it work?
rizwana - 10/03/2016

implications on testosterone

Let's just ignore that massive negative implications soy has on testosterone production in men.
Rich Piana - 21/04/2016


Hi Everyone...

I am trying to conceive my first child and have read some info about soy milk having an negative impact on conception. Just wondering if any of you conceived while eating soy milk, or soy yoghurt etc? Thanks!
Denmanlovevictory - 09/04/2018

Soy problems

We consume alot of soy foods and have never had any health issues!!
LoraineRoberto - 08/07/2018

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