Do non-GMO soybeans really contain less phytoestrogens than conventional soybeans?

by (993) Updated April 13, 2013 at 10:55 PM Created April 13, 2013 at 10:01 PM

I've lately been trying to persuade my family to stop drinking soymilk, to which my family is highly addicted. I've been trying to explain that soymilk is high in phytoestrogens, but my brother insists that it's only GMO soybeans that are high in phytoestrogens, and the Silk soymilk we keep in the house is from Non-GMO soybeans, which my brother says are lower in phytoestrongens. The whole thing sounds fishy, as I thought ALL soybeans contained phytoestrogens. Do non-GMO soybeans really contain less phytoestrogens than GMO soybeans?

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2 Replies

32175 · April 13, 2013 at 10:40 PM

Google is a fine tool...just saying'. ;)

So I was curious & found this study which shows that GMO soybeans may actually be LOWER in phytoestrogens.


Regardless, soy is not fantastic for many other reasons. Lots of info out there if you need supporting data.

128 · April 13, 2013 at 10:55 PM

Answer is no, unless the soybean is genetically modified to have less, which I do not know of any that are. However, let me also clarify this: genetically modified does not mean it's bad for you. But, the problem with most (if not all) of GMO's on the market is that they are altered to withstand mass amounts of pesticide use. Pesticides often present themselves as hormone disruptors, so they often also inter with our endocrine system. So they essentially they maybe receiving less interference with their endocrine system by purchasing non-GMO, but I'm thinking that isn't nearly enough. For me, even in small quantities, soy and soy products take a noticable effect on my mood; the difference between a vitamin D supplement with and without soy lecithin is phenomenal!

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