Focus Page 4 of 20 ChemistryViewsGarden Asparagus may cause a unique smell in your pee. It is commonly known that ingesting this green vegetable can lead to a strong whiff during a trip to the restroom. If you observe an offensive aroma once you've indulged comprising asparagus, there's no need to worry. It is just a normal reaction that occurs physiologically. Rest assured that the scent is not dangerous and will fade over time.