GMWatch: “GM soy is one of the most widely grown GM crops in the world and accounts for over 90% of US-grown soy. It is engineered to survive being sprayed with toxic glyphosate weedkiller. It is not known whether the adverse effects associated with the GM soy diet in either study was caused by the GM crop or the weedkiller, or both.”
GM soy injures the pancreas, rat feeding study shows (gmwatch.org)