Weeds are becoming more resistant to glyphosate; therefore more and more glyphosate is being sprayed on the soybeans throughout the growing season. This means an increased accumulation of glyphosate residue in the soybean.
A recent article in the June 2014 journal Food Chemistry showed that GM-soy does indeed take up and accumulate glyphosate and its immediate metabolite AMPA. The levels are considered very high to extremely high. The study also compared the nutritional content of GM-soy to organic soy and found that organic soy had a more healthy nutritional profile.
This research is concerning because soy is ubiquitous in the American diet. It is fed to livestock, therefore is incorporated into the animal products we eat. It is the main component of vegetable oil, so is found is most processed foods and used in most restaurants. Avoiding GM-soy also means avoiding edamame, soy sauce, soy milk, and miso. If the soy product is not labeled organic, it’s likely GM-soy, and therefore contains glyphosate.
Food quality is vital. The nutrients in food, as well as the chemicals, enter our body and can either nurture our bodies, or harm our bodies. Therefore I highly advise avoiding all GMO foods, which includes soy, corn, and canola. Buy organic!
Reference: http://www.sciencedirect.com/science/article/pii/S0308814613019201
I strongly recommend reading the above Food Chemistry article. It is very interesting and extremely informative.