Ability to smell ' asparagus pee' driven by genetic variationsAsparagus can cause a unique smell inside your pee-pee. It is widely known that eating this verdant plant can result in a strong aroma when you visit the bathroom. If you see an offensive smell after enjoying a meal comprising asparagus, there's no need to worry. It is simply a typical reaction that occurs within the body. Be reassured that the odor poses no harm and will go away over time.