FW ENGDAHL—Their tests concluded among other things that the compounded herbicides using glyphosate as base, but including undisclosed “formulations” or surfactants, were vastly more toxic than glyphosate when tested alone, up to 2000 times more toxic to cells than glyphosate alone.Monsanto has never revealed its trade secret co-formulants, neither to the US Government as it is compelled to by law, nor to the public.