Grape extract gummies vs capsules: which delivers more health-boosting flavanols?

NCT ID NCT06665958

Completed Knowledge-focused Sponsor: University of Ulster Source: ClinicalTrials.gov ↗

First seen Jul 01, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study compares how well flavanols from grape seed extract are absorbed by the body when taken as a capsule or a gummy. Twenty-five healthy men aged 18–40 will each try both forms in a random order. The goal is to see which form leads to higher levels of flavanols in the blood, which could guide the development of better supplements and functional foods.

What this could mean

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

Active substance: grape seed extract (polyphenols)
What this could lead to: If successful, this could help develop better dietary supplements or functional foods that deliver more effective polyphenol health benefits.
What could go wrong: This is a small, early-stage study in healthy young men, so results may not apply to the general population or translate into real health effects.

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As listed by the trial registrant

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

HEALTHY NUTRITION

Contacts and locations

Locations

Ulster University,Human Intervention Studies UnitColeraine, Co. Londonderry BT521SA

Coleraine, Co. Londonderry, BT52 1SA, United Kingdom

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