Why Does Asparagus Make Urine Smell NewsMedicalnetAsparagus Officinalis may cause a distinctive scent in your pee. It is commonly known that ingesting this verdant plant can cause a strong fragrance during a trip to the restroom. If you see an unpleasant smell after enjoying a meal including asparagus, there's no need to worry. It is just a typical result that occurs internally. Be reassured that the odor is harmless and will go away eventually.