Why does asparagus make urine smell Are there any other Spear Grass may cause a noticeable smell in your urine. It is commonly known that consuming this green vegetable can result in a pungent fragrance during a trip to the lavatory. If you see an offensive aroma once you've indulged containing asparagus, there's no need to worry. It is merely a normal response
that occurs within the body. Rest assured that the odor is not dangerous and will fade gradually.