Actively Recruiting
Effects of Watermelon Consumption on Satiety and Digestive Health
Led by San Diego State University · Updated on 2026-01-21
80
Participants Needed
1
Research Sites
N/A
Total Duration
On this page
AI-Summary
What this Trial Is About
Researchers are studying how eating watermelon, including its juice and rind, affects feelings of fullness, metabolism, bowel habits, gut bacteria, and weight management in both children and adults. The study aims to better understand these effects by comparing watermelon juice with another red juice. It is an interventional study involving generally healthy participants aged 10 to 55 years. Participants are randomly assigned to one of two groups: one group drinks 8 fluid ounces of red juice daily for eight weeks, while the other group drinks 8 fluid ounces of watermelon juice daily for the same period. These two types of juice are being compared to assess their impact on satiety and digestive health. During the study, researchers measure changes in participants' feelings of fullness and blood levels of glucose, insulin, and triglycerides at multiple time points after juice consumption. They also analyze changes in gut microbiome diversity from the start to the end of the eight weeks. Participants are monitored throughout to track these outcomes and any effects on weight and bowel habits. The total study duration per participant is eight weeks.
CONDITIONS
Brief Title
Effects of Watermelon Consumption on Satiety and Digestive Health
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Generally healthy subjects
- Age between 10 and 55 years
You will not qualify if you...
- Smoker
- Pregnant woman
- Required dietary supplement use
- Required medication of metabolic disorders
- Allergy to watermelon
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - 8 weeks per juice type
Participants consume either red juice or watermelon juice daily to evaluate effects on satiety and digestive health.
Multiple visits to assess effects at 0, 20, 40, 60, 90, and 120 minutes post juice consumption and at baseline and week 8
Trial Site Locations
Total: 1 location
1
School of Exercise and Nutritional Sciences, SDSU
San Diego, California, United States, 92182-7251
Actively Recruiting
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
CROSSOVER
Primary Purpose
PREVENTION
Number of Arms
2
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