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Ultra-processed Food-reducing Intervention and Continuous Glucose Monitoring

RecruitingNAAges 20 Years - 39 YearsAllKorea University
NCT07175701 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The goal of this trial is to investigate whether reduction in ultra-processed food intake through dietary counseling and education can improve postprandial glucose responses and glycemic variability compared with a usual diet in young, healthy Korean adults aged 20-30 years. The main questions it aims to answer are: \- Does reducing ultra-processed food intake, while maintaining total energy intake and usual lifestyle behaviors, improve postprandial glucose and lower glycemic variability in healthy adults without diabetes? Participants will: * Undergo the 10-day pre-intervention monitoring period, during which each participant will wear a continuous glucose monitoring (CGM) device and concurrently report their daily dietary intakes (all food and beverage consumption) and other lifestyle behaviors (sleep, smoking, physical activity) * After the 10-day pre-intervention monitoring period

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Korean adults aged 20-39 years 2. Not currently pregnant 3. No personal history of diabetes or other glucose-related conditions 4. Consume ≥25% of daily energy intake from UPFs, as assessed by an online, self-administered semi-quantitative screening food frequency questionnaire (FFQ) 5. No restriction on wearing a CGM device 6. No increased risk of bleeding 7. No prior adverse reaction to CGM devices 8. Willingness to participate in follow-up assessments Exclusion Criteria: 1. Unable to maintain continuous follow-up during the study period (e.g., due to special plans such as traveling) 2. Planning to follow a special or restrictive diet (e.g., for weight loss) during the study period
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What it tests

  • 40-minute one-on-one dietary counseling and nutrition education aimed at reducing ultra-processed food consumption
  • Standard dietary counseling and nutrition education based on national guidelines
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Where

1 site
Health Promotion Lab, College of Health Science, Korea University
Seoul, South Korea
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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