The foods that make you smell more attractive
Other vegetables have a very unique effect on our smell. The asparagus plant produces a compound called the asparagusic acid and, when it's digested by your body, it releases sulphur compounds too. It's these chemicals, such as methanethiol and dimethyl sulphide, that make your sweat and your pee smell a certain way. Sulphur compounds are very volatile, so they easily disperse in the air. That's why they're so easy to smell from the toilet bowl. This smell usually lasts more than five hours.
Not everybody produces this smell, although studies about this keep coming up with different findings. In the 1950s, research seemed to suggest that fewer than 50% of people produce the tell-tale asparagus pee odour, while in 2010, researchers found more than 90% of test participants did. So it’s not clear cut. And not everybody can perceive the stink: the ability to smell one's pungent asparagus-smelling pee seems to be down to genetics too.
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2026-02-01