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Lemongrass supplement may enhance HIIT results and sexual health

NCT ID NCT07195240

Symptom relief Sponsor: Northumbria University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether taking lemongrass extract daily for 6 weeks, alongside high-intensity interval training, improves aerobic fitness and sexual wellbeing in men aged 40-60. Forty participants will be randomly assigned to receive either lemongrass or a placebo. Researchers will measure changes in oxygen use, blood lactate, heart rate, and sexual function through questionnaires.

What this could mean

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

Active substance
lemongrass extract
What this could lead to
If it works, this could point toward a natural supplement to enhance exercise benefits and sexual wellbeing in middle-aged men.
What could go wrong
This is a small, early-stage trial with only 40 participants, so results may not apply to everyone. The supplement 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

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2025

Expected to finish

Jun 2026

An estimate. End dates often move.

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

25 to 60 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: * Age ≥ 40 and ≤ 60 years. * Body Mass Index (BMI) ≥ 19 and ≤ 35 kg/m2. * Willingness and ability to comply with the protocol in the opinion of the Investigator. * Judged by the Investigator to be in good health as assessed by a health screening questionnaire. * Currently identifies as the same biological sex as at birth. * Currently deemed to be between a physical activity status of sedentaryy to moderately trained (Meet World Health Organization minimum activity guidelines: Adults aged 18-64 years old completing at least 150 to 300 min moderate-intensity activity or 75-150 min of vigorous-intensity activity a week, plus muscle-strengthening activities 2 or more days a week). * Have a blood pressure \< 140/90 mmHg. Exclusion Criteria: * A history of heart disease. * Any disease that might interfere with the absorption of nutrients (e.g. Chron's disease, celiac disease). * Recent musculoskeletal or soft tissue injury (within the last 3 months). * The habitual use of medication that is antihypertensive or antidiabetic medication or might inhibit the ability to complete the study participation. * Alcohol Intake of greater than 21 units per week. * A change in bodyweight of more than 3kg within the month preceding the study. * Currently following a weight-loss or weight-gain programme. * Any known bleeding disorder or reaction to withdrawal of blood samples

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As listed by the trial registrant

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

Aerobic capacity Exercise efficiency Sexual wellness

How to take part

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  1. The places running it

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  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Northumbria University

    RECRUITING

    Newcastle upon Tyne, United Kingdom

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