Comment by oscaracso

You have not assessed the facts critically. The argument in favor of glyphosate's safety is that, as the herbicidal action is the result of disrupting an amino acid synthesis pathway that in animals does not exist, it is therefore harmless to animals. This argument is already fallacious: all it does is establish the mechanism by which it is harmful to plants. These studies evidence that glyphosate is harmful to animals and investigate the mechanisms underlying the harm. The fact that these experimental conditions are not the same conditions under which glyphosate is consumed in the food chain does not make it bad science, because science is concerned with knowledge that generalizes (e.g. biological mechanisms and pathways) and these mechanisms cannot be gleaned by reproducing the conditions already in place.

The comparison with vitamins is not relevant, and to bring it up suggests you are not thinking clearly.