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

NCT ID: NCT03380195

Last Updated: 2026-01-21

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

27 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-09-01

Study Completion Date

2028-12-31

Brief Summary

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The purpose of this study was to determine the effects of a pre-exercise, single practical dose of watermelon juice, Gatorade, sugar water or water on heart rate recovery, blood lactate levels, and 24-hour post exercise muscle soreness.

Detailed Description

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Conditions

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Heart Rate Recovery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Watermelon juice

Group Type EXPERIMENTAL

Watermelon juice

Intervention Type OTHER

Subject drinks 355ml of watermelon juice 1 hour prior to submaximal exercise

Sport drink

Group Type ACTIVE_COMPARATOR

Sport drink

Intervention Type OTHER

Subject drinks 355ml of Gatorade 1 hour prior to submaximal exercise

Sugar water

Group Type ACTIVE_COMPARATOR

Sugar water

Intervention Type OTHER

Subject drinks 355ml of sugar water (22.5g) 1 hour prior to submaximal exercise

Water

Group Type PLACEBO_COMPARATOR

Water

Intervention Type OTHER

Subject drinks 355ml of water 1 hour prior to submaximal exercise

Interventions

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Watermelon juice

Subject drinks 355ml of watermelon juice 1 hour prior to submaximal exercise

Intervention Type OTHER

Sport drink

Subject drinks 355ml of Gatorade 1 hour prior to submaximal exercise

Intervention Type OTHER

Sugar water

Subject drinks 355ml of sugar water (22.5g) 1 hour prior to submaximal exercise

Intervention Type OTHER

Water

Subject drinks 355ml of water 1 hour prior to submaximal exercise

Intervention Type OTHER

Eligibility Criteria

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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
Minimum Eligible Age

21 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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San Diego State University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Exercise and Nutritional Sciences, SDSU

San Diego, California, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Mee Young Hong

Role: CONTACT

619-594-2392

Facility Contacts

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Mee Young Hong

Role: primary

619-594-2392

Other Identifiers

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2487100

Identifier Type: -

Identifier Source: org_study_id

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