Sneha Kumari Sneha Kumari Asked 9 months ago

Does biotin cause kidney stones?

I've been advised to take biotin for my hair, but my aunt told me it can cause kidney stones. I'm a bit concerned as I've had kidney issues in the past. Does biotin really cause kidney stones?

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7 answers

Anjali Deshpande Anjali Deshpande Joined Mar 2026 8 months ago
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There is no strong clinical proof that biotin directly causes kidney stones. However, taking excessively high doses of any supplement can strain your kidneys. Just drink plenty of water throughout the day to keep your system clean, and don't overdo the daily dosage.

Venkatesh Prasad Venkatesh Prasad Joined Mar 2026 8 months ago

My grandmother always said that drinking coconut water and barley water keeps the kidneys safe from any stones. If you are taking biotin for your hair, just ensure you are drinking at least 3 liters of water daily. It is also good to consult your family doctor before starting any strong vitamins.

Mahesh Chandra Mahesh Chandra Joined Jul 2026 4 months ago

Since I manage my blood pressure, I am very careful about my kidney health and get regular renal function tests done. My doctor confirmed that water-soluble vitamins like biotin are generally flushed out in urine and don't cause stones. Still, maintaining a low-salt diet and staying hydrated is key.

Sanya Mirza Sanya Mirza Joined Mar 2026 7 months ago

No, biotin doesn't cause kidney stones. Calcium and oxalate are the main culprits behind stones, not B-vitamins. Just buy a standard dose, don't self-prescribe heavy amounts, and keep your hydration levels high. If you have a history of stones, check with a urologist first.

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Sanjay Verma Sanjay Verma Joined Apr 2026 7 months ago

At fifty, my body complains about everything, but thankfully biotin hasn't given me kidney stones yet! It is a water-soluble vitamin, so whatever your body doesn't need just goes down the drain. Just make sure you are drinking water like a fish if you are taking these strong hair tablets.

Karthik Subramanian Karthik Subramanian Joined Jun 2026 5 months ago

Don't believe every scary health rumor you read on random blogs. Biotin is highly water-soluble and very safe for the kidneys in normal doses. If you actually have kidney pain or a family history of stones, get an ultrasound done and consult a doctor instead of blaming biotin.

Shalini Gupta Shalini Gupta Joined Jun 2026 5 months ago

I had a sudden lower back ache last month and panicked thinking my biotin gummies had given me kidney stones! I rushed to the clinic and it turned out to be just a mild muscular strain from my workout. The doctor reassured me that biotin is safe and rarely causes any stones if you stay hydrated.

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