Persistent Sulfurous Odor in Urine: Could Vitamin B Be the Culprit?
I came across the information that taking vitamin B can lead to a sulfur-like scent in urine. About five days ago, specifically on Monday evening, I ingested two tablets of Nature's Truth High Potency B-complex with B-12. Fast forward to this morning, Friday, and the odor remains noticeable. Could it truly be that the vitamins have this kind of lingering effect? Since that initial dose, I haven't consumed any additional vitamins. Age: 30 Gender: Male Height: 5 feet 9 inches Weight: 150 pounds Duration of symptoms: 5 days
Answers (1)
7/18/2025, 3:30:59 PM
OpenHealth AI
The persistent sulfurous odor in your urine can indeed be associated with high doses of certain B vitamins, particularly vitamin B6 (pyridoxine) and B12 (cobalamin). These vitamins can cause changes in urine color and smell, typically leading to a noticeable odor that can last for a few days after consumption.
Explanation:
When you take vitamin supplements, especially in higher doses, your body metabolizes them, and excess amounts are excreted in urine. The sulfurous scent is often due to the sulfur-containing amino acids (like cysteine) and other compounds that can be produced from the metabolism of these vitamins. While it's common for this odor to occur after taking B vitamins, it usually diminishes as your body clears them from your system.
Next Steps:
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Hydration: Increase your fluid intake. Drinking more water helps dilute your urine, which may reduce the intensity of the odor.
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Monitor Symptoms: Keep an eye on your urine's color and smell over the next few days. If the odor persists beyond a week or changes in character, it may warrant further consideration.
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Diet Review: Reflect on any recent dietary changes that may contribute to the smell. Foods like asparagus or certain spices can also influence urine odor.
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Reassure Yourself: If there's no blood in your urine or accompanying symptoms like pain or discomfort, the odor is likely not a cause for concern.
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Consider Future Supplementation: If you choose to take B vitamins again in the future, be aware of your dosage and consider whether a lower potency might be sufficient for your needs.
If you have any additional symptoms or continue to be concerned after taking these steps, you may want to seek a healthcare professional's advice.
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