Blackcurrant extract may power up volleyball players

NCT ID NCT07753395

Completed Disease control Sponsor: China Medical University Hospital Source: ClinicalTrials.gov ↗

First seen Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This trial tests whether taking New Zealand blackcurrant extract for seven days can improve athletic performance and reduce physical stress in young, healthy male volleyball players. Participants will be randomly assigned to receive either the blackcurrant supplement or a placebo, then engage in simulated volleyball matches. Researchers will measure grip strength, jump height, agility, and blood markers of muscle damage and inflammation to see if the supplement offers any benefits.

What this could mean

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

Active substance: New Zealand blackcurrant extract (35% anthocyanin) as a dietary supplement
What this could lead to: If effective, this supplement could help athletes recover faster and perform better during intense sports.
What could go wrong: This is a small, early-stage trial with only 16 participants, so results may not apply broadly. The supplement's effects on performance and recovery are not yet proven.

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

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As listed by the trial registrant

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

ATHLETIC PERFORMANCE

Contacts and locations

Locations

China Medical University

Taichung, 404332, Taiwan

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