Vitamin C's hidden role in kidney stones revealed

NCT ID NCT04603898

First seen Jan 15, 2026 · Last updated May 13, 2026 · Updated 14 times

Summary

This study looks at how vitamin C (ascorbic acid) turns into oxalate, a key ingredient in kidney stones. Researchers will give a special labeled vitamin C to 136 adults—both with and without kidney stones—and measure how much oxalate ends up in their urine. The goal is to understand if vitamin C contributes to stone formation, especially in people who are obese.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • University of Alabama at Birmingham

    RECRUITING

    Birmingham, Alabama, 35243-3353, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

Conditions

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