Why can't Ensure be sold in Mexico and Vietnam
Abbott Global makes Ensure and states that they do not ship overseas, but does not state a reason why the don't. You can contact them to find out at (800) 986-8501.
Ensure is not sold in Mexico or Vietnam because of the extremely dangerous trade of milk products on the black market in 3rd world countries.
They can't manage the quality of those products in Vietnam and Mexico, so they notice that All those products are not official.