Doctor insights on:
Why Does Urine Smell After Asparagus In Some But Not All People
Putrescine: Your body breaks down asparagus and a chemical Amino Acid called putrescine gets produced. This Amino Acid accounts for the foul smell. Everyone will produce it. The amount of odor will vary slightly from person to person. ...Read more
Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more
Breakdown compounds.: The metabolism of certain compounds in asparagus leads to excretion of methanethiol, dimethyl sulphide, methyl mercaptan, & asparagusic acid that causes the characteristic odor. The onset of the odor is rapid, often 15-30 minutes after ingestion. There a appears to a be genetic component in the ability to smell the odor, and a candidate snp was identified in a 2010 genome association study. ...Read more
Yes, it does.: So does brocolli and cauliflowers.Get a more detailed answer ›
Normal experience : This is a normal experience for about half the people who eat asparagus. It is not clear why the other half do not notice a change in the smell of their urine, For more on this see http://www.dailycal.org/2013/04/17/fun-food-fact-of-the-week-why-asparagus-makes-urine-smell-funny/ ...Read more
Specific chemicals: Methanethiol is the specific chemical in asparagus that produces the smell. This chemical is not found in pineapple. ...Read more
The chemical: Component , sulfur , when broken down gives that distinct odor in the urinee. ...Read more
Methane thiol: Benjamin franklin was the first to note that about half of people metabolize asparagus to a compound that has a distinctive odor. Methanethiol / methyl mercaptan, the actual compound, is similar to the smell added to gas so people can detect it. I don't know whether it's "terrible" -- we pathologists have smelled worse things. ...Read more
What cause my urine to smell really badly? I'm not eating asparagus or anything bad. I drink water everyday. Maybe not as much as I'm suppose to.
Many factors: Urine odor can result from many things. Dehydration can lead to a concentrated, malodorous urine. However, it is important to note that infection can also cause an odor and to get urine tested to ensure that this is not the case. Certain medical diseases, such as diabetes, can also affect urine composition and result in an odor as well. Medications may do this also. Talk to your doctor. ...Read more
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