Can a plant compound help control blood sugar? small study investigates quercetin

NCT ID NCT00065676

First seen Nov 01, 2025 · Last updated Apr 29, 2026 · Updated 32 times

Summary

This study looked at whether quercetin, a natural substance found in foods like onions and apples, can change how the body absorbs sugar. Researchers gave 24 adults with obesity or obesity plus type 2 diabetes either quercetin or a placebo during a sugar-drink test. They measured blood sugar levels to see if quercetin helped lower them.

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Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

Conditions

Explore the condition pages connected to this study.