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Question

08 Oct 2009

Asparagus
What' s in asparagus that makes your urine smell after you have eaten asparagus ?
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Expert
DietDoc
DietDoc

01 Jan 0001

Dear MB
Asparagus contains certain sulphur compounds (dimethyl sulphide, dimethyl disulphide, dimethyl sulphoxide, etc) that have a strong smell when metabolised. When these compounds are excreted into the urine they also make the urine smell. Although not all people are able to smell these sulphur breakdown products in the urine, we do all excrete them.
Best regards
DietDoc
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