General Mills has been the subject of some bad press recently, particularly after a study concluded that 21 of its products, including Cheerios and Nature Valley cereals, contain glyphosate residue, the main ingredient in the much-vilified RoundUp pesticide. The chemical’s manufacturer, Bayer, has been battling a series of lawsuits brought by plaintiffs claiming that exposure to glyphosate caused them to develop cancer and that then-manufacturer Monsanto knew of the risk and failed to provide appropriate warnings.