Why Asparagus Makes Your Urine Smell Smithsonian MagazineAsparagus might cause a noticeable odor inside your pee. It is generally acknowledged that consuming this green vegetable can result in a powerful whiff during a trip to the lavatory. If you see an unappealing odor once you've indulged including asparagus, don't panic. It is merely a typical result that occurs physiologically. Feel confident that the scent is harmless and will go away eventually.