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Green tea and ginger: the new exercise boost?

NCT ID NCT07150533

Knowledge-focused Sponsor: Erzurum Technical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looked at whether taking green tea extract and ginger supplements, alone or together, can help young men cycle longer and feel more comfortable in normal and cold temperatures. Sixteen recreationally active men completed cycling tests after taking the supplements or a placebo. The goal is to see if these natural supplements can improve endurance and thermal perception.

What this could mean

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

Active substance
green tea extract and ginger supplements
What this could lead to
If it works, this could point toward simple nutritional strategies to improve exercise performance and thermal comfort in different temperatures.
What could go wrong
This is a very small, early-stage study with only 16 recreationally active young men. Results may not apply to other groups or real-world exercise, and supplements may show no benefit over placebo.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

16 people

The number who actually took part.

Started

Mar 2025

Finished

Jul 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 35 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Male participants aged 18-35 years Recreationally active (≥3 aerobic exercise sessions per week, ≥30 minutes per session, for at least 6 months) VO₂max between 40-50 mL/kg/min (recreationally active fitness level) Body mass index within the normal to slightly overweight range (approximately 18.5-27.5 kg/m²) Willingness to comply with study requirements, including supplementation and exercise testing protocols Provided written informed consent Exclusion Criteria: History of cardiovascular, respiratory, metabolic, or neurological disorders Allergy or intolerance to green tea, ginger, or maltodextrin Current use of ergogenic supplements, medications affecting metabolism, or stimulants (e.g., beta-blockers, caffeine pills) Smoking or excessive alcohol consumption (\>14 units per week) Inconsistent exercise habits (\<3 sessions/week in the past 6 months) Participation in another clinical trial within the past 3 months

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As listed by the trial registrant

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

Exercise physiology Nutritional supplementation

Contacts and locations

Locations

  • Erzurum Technical University Sport Sciences Faculty

    Erzurum, Erzurum, 25240, Turkey (Türkiye)

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