Effects of Watermelon Consumption on Satiety and Digestive Health

Not Applicable

Recruiting

• Conditions: Satiety
• Interventions: Other: Red juice; Other: Watermelon juice

• Registration Number: NCT04096586
• Lead Sponsor: San Diego State University

Brief Summary

The objective of the proposed research is to determine the effects of watermelon (fruit and rind blenderized) on satiety, metabolic markers, bowel habits, microbiome and weight management in children and adults

Detailed Description

Not available

Study Timeline

• Study Start: 2019-08-01
• Study First Submitted: 2019-09-18
• Study First Submitted QC: 2019-09-18
• Study First Posted: 2019-09-20
• Status Verified: 2025-03
• Last Update Submitted: 2025-03-26
• Last Update Posted: 2025-04-01
• Primary Completion: 2025-12-31
• Study Completion: 2025-12-31

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 80

Inclusion Criteria

• Generally healthy subjects

Exclusion Criteria

• Smoker
• Pregnant woman
• Required dietary supplement use
• Required medication of metabolic disorders
• Allergy to watermelon

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
Red juice	Red juice	Subjects consume 8 fl oz of red juice daily for 8 weeks
Watermelon juice	Watermelon juice	Subjects consume 8 fl oz of watermelon juice daily for 8 weeks

Primary Outcome Measures

Name	Time	Method
Change of satiety	0 and 20, 40, 60, 90 and 120 minutes post juice consumption	Change of hunger feeling (appetite) will be examined using visual analog scale (0-10), 0 least and 10 greatest
Change of glucose level	0 and 20, 40, 60, 90 and 120 minutes post juice consumption	Change of blood glucose level will be determined to examine effects of watermelon juice consumption vs red juice
Change of insulin level	0 and 20, 40, 60, 90 and 120 minutes post juice consumption	Change of blood insulin level will be determined to examine effects of watermelon juice consumption vs red juice
Change of triglyceride level	Baseline and week 8	Change of triglyceride level with watermelon juice consumption vs red juice consumption

Secondary Outcome Measures

Name	Time	Method
Change of alpha diversity in microbiome	Baseline and week 8	Change of alpha diversity in micriobiome with watermelon juice consumption vs red juice consumption

Trial Locations

Locations (1)

School of Exercise and Nutritional Sciences, SDSU; 🇺🇸 San Diego, California, United States