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ClinicalTrials.gov public records Last synced Oct 19, 2026, 9:10 AM EDT

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Showing 1–24 of 151 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Habits Clear all
Completed Not applicable Interventional

Individualized Diet Improvement Program for Weight Loss and Maintenance, Cohort 2

NCT04605640
View directory record Official record
Conditions
Obesity, Overweight, Weight Loss, Diet Habit
Interventions
Weight Management Intervention
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 19, 2026, 9:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Daily Blood Glucose Trends in Patients at Risk for Diabetes

NCT06000735
View directory record Official record
Conditions
Stress, Blood Sugar; High, Cholesterol, Elevated, Diet Habit
Interventions
7-Day Continuous Glucose Monitoring with Abbott Freestyle Libre 2
Device
Lead sponsor
Karol E. Watson, MD
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 19, 2026, 9:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Encouraging a Plant Based Diet in an Underserved Urban Population

NCT06090409
View directory record Official record
Conditions
Food Neophobia, Food Preferences, Dietary Habits
Interventions
Implementing free/subsidized agricultural produce to encourage a plant-based diet.
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 19, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Relationship Between Diet, Lifestyle, and the Severity of Coronary Artery Disease

NCT02382250
View directory record Official record
Conditions
Dietary Habits, Coronary Artery Disease, Lifestyle
Interventions
Survey
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 19, 2026, 9:10 AM EDT
Completed No phase listed Observational

Role of Dietary Habits in Efficacy of Bariatric Surgery - Study A

NCT03470558
View directory record Official record
Conditions
Bariatric Surgery, Sleeve Gastrectomy, Obesity
Interventions
Dietary habits
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 60 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Food Swaps to Improve the Healthfulness and Reduce the Carbon Footprint of Grocery Purchases

NCT06648226
View directory record Official record
Conditions
Food Selection, Nutrition, Food Preferences, Dietary Habits, Sustainability, Healthy Diet
Interventions
Health swaps, Climate swaps, Combined health and climate swaps, Control
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
1,201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Happy Family, Healthy Kids Program

NCT04183179
View directory record Official record
Conditions
Healthy Diet, Stress, Pediatric Obesity, Intergenerational Relations
Interventions
Happy Family, Healthy Kids Program
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
3 Years to 5 Years
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Thompsonville, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Beet Juice and Diet in Female Rowers

NCT06045845
View directory record Official record
Conditions
Dietary Habits, Nitrates, Exercise
Interventions
Beet Juice, Placebo
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2024 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High-Protein Food Snack for Dialysis Patients

NCT04134377
View directory record Official record
Conditions
Renal Failure, Albumin; Double, Diet Habit
Interventions
Protein Food Snack
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 74 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Culturally Optimized Messages for Latinos

NCT05589740
View directory record Official record
Conditions
Diet, Healthy, Diet Habit, Obesity, Blood Pressure, Psychological
Interventions
Culturally tailored healthy eating advice, Standard healthy eating advice
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
25 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 19, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adhering to Dietary Approaches for Personal Taste (ADAPT)

NCT03226938
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
3,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2022 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HEART at Head Start Pilot (Healthy Eating, Activity, Relaxation Trial)

NCT06346574
View directory record Official record
Conditions
Dietary Habits, Physical Inactivity, Sleep Hygiene
Interventions
Experimental
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 4, 2025 · Synced Oct 19, 2026, 9:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Correlational and Intervention Effects of Egg Consumption on Macular Carotenoids, Cognition, and Achievement During Childhood

NCT03521349
View directory record Official record
Conditions
Diet Habit, Cognitive Control
Interventions
Whole Egg Intervention, Egg White Control
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
7 Years to 12 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 15, 2020 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Intuitive Eating on Body Appreciation and Dietary Restraint in College Females

NCT03947008
View directory record Official record
Conditions
Eating Behavior, Body Image, Dietary Habits, Restricted Behavior
Interventions
Intuitive Eating Program
Other
Lead sponsor
Carly R Pacanowski
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Nov 21, 2019 · Synced Oct 19, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluating a Healthy Restaurant Kids Meals Policy

NCT04330235
View directory record Official record
Conditions
Diet Habit
Interventions
Healthy Default Kids' Beverage Policy
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
3,480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
3
States / cities
Minneapolis, Minnesota • Research Triangle Park, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Oct 19, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adaptation and Validation of a Nutrition Literacy Assessment Instrument

NCT02920099
View directory record Official record
Conditions
Dietary Habits
Interventions
Nutrition Literacy Assessment Instrument (NLAI)
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 19, 2026, 9:10 AM EDT
Terminated Not applicable Interventional

Continuous Glucose Monitoring and Hass Avocado Trial ("CHAT")

NCT05293340
View directory record Official record
Conditions
Dietary Habits, Diabetes Mellitus, Type 2
Interventions
Avocado Vouchers
Dietary Supplement
Lead sponsor
Sansum Diabetes Research Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 19, 2026, 9:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fiber's Utilization for Energy and Life

NCT05934357
View directory record Official record
Conditions
Diet Habit
Interventions
Fiber, Control
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
22 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Internal Cues Versus External Cues for Eating and Activity

NCT04025099
View directory record Official record
Conditions
Eating Behavior, Body Image, Diet Habit, Dietary Habits
Interventions
Internal Cues, External Cues
Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Walnuts and Colon Health (The WellNut Trial)

NCT05195970
View directory record Official record
Conditions
Colorectal Cancer, Diet Habit
Interventions
Walnuts
Other
Lead sponsor
UConn Health
Other
Eligibility
39 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Farmington, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Food Incentives to Improve Diet Quality and Health Among Adults

NCT03748056
View directory record Official record
Conditions
Diet Modification, Diet Habit
Interventions
Targeted incentives, Nominal loyalty card discount and nutrition education
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 1, 2021 · Synced Oct 19, 2026, 9:10 AM EDT
Completed No phase listed Observational Results available

The PortionSize Smartphone App Pilot (PS Pilot)

NCT04494971
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Timeline
2020
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 19, 2026, 9:10 AM EDT
Completed Not applicable Interventional

Mindfulness-Based Eating in Patients With Irritable Bowel Syndrome

NCT02681666
View directory record Official record
Conditions
Abdominal Pain, Irritable Bowel Syndrome, IBS
Interventions
Dietary intervention, Irritable Bowel Syndrome eating awareness training
Dietary Supplement · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 19, 2026, 9:10 AM EDT
Not yet recruiting Not applicable Interventional

Lifewise Preventive Video Education in Primary Care

NCT06730737
View directory record Official record
Conditions
Prevention Harmful Effects, Health Maintenance, Preventive Health Care, Dietary Habits
Interventions
Video preventive education
Other
Lead sponsor
Trinity Health-Livonia
Other
Eligibility
18 Years to 80 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Livonia, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 19, 2026, 9:10 AM EDT