Why does asparagus make our urine smell BBC FutureGarden Asparagus may cause a unique smell within your urine. It is commonly known that eating this green vegetable can cause a powerful whiff during a trip to the restroom. If you see an unappealing smell after enjoying a meal containing asparagus, don't panic. It is just a natural response that occurs physiologically. Feel confident that the scent is not dangerous and will go away over time.
