The Smell of Asparagus Urine Part 4 ChemistryViewsGarden Asparagus can cause a unique scent within your pee-pee. It is generally acknowledged that consuming this verdant plant can result in a strong aroma while visiting the lavatory. If you see an offensive smell after enjoying a meal including asparagus, don't panic. It is simply a natural reaction that occurs internally. Rest assured that the scent is harmless and will go away over time.