Effects of watermelon juice on heart recovery and muscle soreness after exercise

Effects of Watermelon Juice on Heart Rate Recovery and Post-exercise Muscle Soreness

Not applicable Interventional San Diego State University · NCT03380195

This study tests if drinking watermelon juice helps healthy adults recover their heart rate and reduces muscle soreness after exercise better than Gatorade, sugar water, or plain water.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment27 (estimated)
Ages21 Years to 50 Years
SexAll
SponsorSan Diego State University Academic / other
Locations1 site (San Diego, California)
Trial IDNCT03380195 on ClinicalTrials.gov

What this trial studies

This study investigates how a single dose of watermelon juice, compared to Gatorade, sugar water, and plain water, affects heart rate recovery, blood lactate levels, and muscle soreness 24 hours after exercise. Healthy adults aged 21-50 will participate in the trial, which aims to provide insights into the potential benefits of watermelon juice as a natural recovery aid. Participants will be monitored for changes in heart rate and muscle soreness following their exercise regimen.

Who should consider this trial

Good fit: Ideal candidates for this study are healthy adults aged 21-50 who engage in regular physical activity.

Not a fit: Patients with chronic inflammatory conditions, injuries, or those on medications affecting blood pressure may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a natural and effective recovery option for athletes and active individuals.

How similar studies have performed: While there is limited research specifically on watermelon juice, similar studies on natural recovery aids have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* ages of 21-50 healthy adults

Exclusion Criteria:

* Suffering from injury
* Chronic inflammatory conditions
* Required dietary supplement use
* Required medication which affects blood pressure
* Smoking
* Pregnant woman
* Allergy to watermelon

Where this trial is running

San Diego, California

Study contacts

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 Heart Rate Recovery
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.