Can plant extracts help tame blood sugar in prediabetes?

NCT ID NCT05926947

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests two plant-based supplement blends in 87 overweight adults with prediabetes. Over 12 weeks, researchers measure changes in blood sugar markers like HbA1c and post-meal glucose. The goal is to see if these natural extracts can help manage blood sugar levels.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
plant extracts (polyphenols from olive leaf, blackcurrant, pomegranate, grapefruit, white kidney bean, plus chromium and zinc)
What this could lead to
If it works, this could point toward a natural supplement option to help manage blood sugar in people with prediabetes.
What could go wrong
This is a small early-stage proof-of-concept study, not a large definitive trial. The supplements may not significantly lower blood sugar, and results may not apply to everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for OVERWEIGHT are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • UCAM Universidad Católica San Antonio de Murcia

    Guadalupe, Murcia, 30107, Spain

More trials for these conditions

Other studies related to the condition(s) this trial covers.