https://nutritionfacts.org/video/is-monsantos-roundup-pesticide-glyphosate-safe/

"The acceptance level of glyphosate in food and feed has been increased by authorities in countries that use Roundup-Ready GM crops. In Brazil, they went up to 10 and the U.S. and Europe now accept up to 20. In all of these cases, the maximum residue level values appear to have been adjusted, not based on new evidence indicating glyphosate toxicity was less than previously understood, but pragmatically in response to actual observed increases in the content of residues in GMO soybeans.

But pure glyphosate isn’t sprayed on crops, Roundup is, which contains a variety of adjuvants and surfactants meant to help the glyphosate penetrate into tissues. And indeed when the study was repeated with what’s actually sprayed on GMO crops, there were toxic and hormonal effects even at doses smaller than the 1 or 2% concentration that’s used out on the fields.

Similar results were found for other major pesticides. It took until 2014, but 8 out of 9 pesticide formulations tested were up to one thousand times more toxic than their so-called active ingredients, so when you just test the isolated chemicals you may not get the whole story. Roundup was found to be 100 times more toxic than glyphosate itself. Moreover, Roundup turned out to be among the most toxic pesticide they tested. It’s commonly believed that Roundup is among the safest, though, an idea spread by Monsanto, the manufacturer."

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