Effects of beetroot juice on physical performance in middle-aged women

Effects of Dietary Nitrate Intake on Physical Performance of Middle-aged Women: a Randomized Trial

Not applicable Interventional University of Sao Paulo · NCT05820321

This study is testing if drinking beetroot juice can help middle-aged women who are not active feel stronger and perform better physically.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment15 (estimated)
Ages50 Years to 65 Years
SexFemale
SponsorUniversity of Sao Paulo Academic / other
Locations2 sites (Ribeirao Preto, SP and 1 other locations)
Trial IDNCT05820321 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the impact of dietary nitrate intake from beetroot juice on the physical performance of middle-aged women who are physically inactive and postmenopausal. In a randomized, crossover, triple-blind, placebo-controlled design, 15 participants will undergo two intervention protocols over an 8-day period, consuming either nitrate-rich beetroot juice or a placebo. Each participant will have a washout period between interventions to ensure the reliability of results. The study aims to assess how dietary nitrate may enhance physical activity levels in this demographic.

Who should consider this trial

Good fit: Ideal candidates for this study are postmenopausal women aged 50 to 65 who are physically inactive.

Not a fit: Patients who smoke, have cardiac failure, or a history of acute myocardial infarction or stroke may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into dietary interventions that improve physical performance and overall health in postmenopausal women.

How similar studies have performed: Other studies have shown promising results regarding the effects of dietary nitrates on physical performance, suggesting this approach may be beneficial.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 50 to 65 years old
* Physically inactive
* Postmenopausal diagnosis (amenorrhea for 12 months or more);

Exclusion Criteria:

* Smoking
* Cardiac failure
* Previous history of acute myocardial infarction and/or stroke;
* Allergy or intolerance to nitrate, gluten, or milk;

Where this trial is running

Ribeirao Preto, SP and 1 other locations

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions PostmenopausalMenorrhagiaPhysical InactivityMotor Activity
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.