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Question

As glyphosate is lipid soluble, are GMO foods contributing to obesity?

Submitted by: SaveMyFood


Answer

Expert response from Dan Goldstein

Former Senior Science Fellow and Lead, Medical Sciences and Outreach, Monsanto Company

Friday, 20/12/2013 15:16

It is a common misunderstanding that pesticides, in general, accumulate in body fat.  While this phenomenon may occur with some older compounds and a very few compounds currently in use, pesticides that bioaccumulate to any significant degree have been removed from use or are highly restricted to specialized applications needs that limit environmental exposures. Glyphosate is structurally related to the amino acid (protein component) glycine and is readily soluble in water, as demonstrated by the fact that you can buy water-based formulations containing as much as 62% glyphosate salts in agricultural formulations.  If ingested, glyphosate is excreted rapidly, does not accumulate in body fat or tissues, and does not undergo metabolism in humans. Rather, it is excreted unchanged in the urine (EU Review Report of the active substance glyphosate, 2002, at: http://ec.europa.eu/food/plant/protection/evaluation/existactive/list1_glyphosate_en.pdf).  

 

The question you have posed is based upon an assumption that is not relevant for glyphosate.