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Baking soda as a sports supplement? trial tests its power for elite female basketball players

NCT ID NCT07730606

Symptom relief Sponsor: Krzysztof Durkalec-Michalski Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time

Summary

This trial tests whether a single dose of sodium bicarbonate (baking soda) can improve physical capacity and blood markers in highly trained female basketball players. In a double-blind, placebo-controlled crossover design, 100 athletes will take either sodium bicarbonate or a placebo before exercise tests. The goal is to see if this common kitchen ingredient can enhance anaerobic power and jump performance.

What this could mean

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

Active substance
sodium bicarbonate (NaHCO3) as a dietary supplement
What this could lead to
If it works, this could point toward a simple, legal supplement to help athletes perform better during high-intensity exercise.
What could go wrong
This is a small, early-stage trial in a narrow population (highly trained female basketball players), so results may not apply to other athletes. Sodium bicarbonate can also cause stomach upset.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 100 people

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

Started

Mar 2026

Expected to finish

Dec 2027

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

16 to 35 years

Sex

Female 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: * female sex, * age 16 to 35 years, * good general health condition and well-being, * regular menstrual cycles, * written informed consent to participate in the study before its commencement, * at least a high level of training status, * at least 4 years of training experience in basketball, * participation in at least 3 basketball-specific training sessions per week, * participation in at least 1 basketball game per week. Exclusion Criteria: * male sex, * use of hormonal contraceptives, * current injury or musculoskeletal condition limiting participation in training or competition, * health-related or medical contraindications, including menstrual disorders, planned pregnancy, or anemia, * use of supplements within 3 months before the study, except for regular use of protein supplements, carbohydrate supplements, or isotonic drinks, * failure to meet the study protocol assumptions or unwillingness to follow study procedures.

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As listed by the trial registrant

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

SPORTS Supplementation

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  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

  • Department of Sports Dietetics, Poznan University of Physical Education Poznań

    RECRUITING

    Poznan, 61-871, Poland

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