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Caffeine boosts weightlifting performance – but Don't expect miracles

NCT ID NCT07520864

Symptom relief Sponsor: Universidad Pontificia Comillas 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether caffeine helps elite weightlifters perform better in competition. Fourteen athletes took either caffeine or a placebo before a simulated weightlifting meet. The results suggest caffeine can provide a small performance boost, but the effect is modest and not a game-changer.

What this could mean

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

Active substance
caffeine
What this could lead to
If confirmed, caffeine could be a simple, legal way for weightlifters to slightly boost their competition performance.
What could go wrong
This was a very small study (14 athletes) and the effect was modest. Results may not apply to all lifters or to real competitions.

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

14 people

The number who actually took part.

Started

Mar 2026

Finished

Mar 2026

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

16 to 35 years

Sex

Anyone

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: * Possession of a valid weightlifting federation license * At least two years of weightlifting experience * Free from injury or illness at the time of testing Exclusion Criteria: * Caffeine intolerance * Presence of any chronic disease or injury within the month preceding the study * Habitual caffeine consumption exceeding 100 mg/day * Use of medications or dietary supplements during the study period

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Conditions

The condition(s) this trial relates to.

tinea pedis

As listed by the trial registrant

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

Athletes

Contacts and locations

Locations

  • Universidad Francisco de Vitoria

    Madrid, Madrid, 28660, Spain

More trials for these conditions

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