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Showing 1–24 of 66 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Vegetable Intake Clear all
Completed Not applicable Interventional

Food Resource Equity and Sustainability for Health

NCT03251950
View directory record Official record
Conditions
BMI, Blood Pressure
Interventions
healthy eating and gardening
Behavioral
Lead sponsor
Oklahoma State University Center for Health Sciences
Other
Eligibility
3 Years and older
Enrollment
522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Comparing the Effectiveness of Two Produce Prescription Approaches On Fruit and Vegetable Intake and Food Security, While Exploring Implementation Outcomes Such as Reach, Implementation, Sustainability, and Cost

NCT06263751
View directory record Official record
Conditions
Food Insecurity
Interventions
Product prescription program- NutriConnect Credit, Product prescription program- NutriConnect Delivery
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 99 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Results available

Tanglewood Trail Walking Program in Rural Kentucky 2019

NCT05002972
View directory record Official record
Conditions
Dietary Habits
Interventions
walking group led by a community organizer
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Reinforcement Schedules to Increase Fruit&Vegetable Intake, Reduce Waste, and Increase School Lunch Participation

NCT05633251
View directory record Official record
Conditions
Behavioral Changes, Psychology, Social, Nutrition
Interventions
Variable (random) interval, Variable (non-random) interval, Variable (random) interval with table tents, Control
Behavioral
Lead sponsor
New Mexico State University
Other
Eligibility
11 Years to 16 Years
Enrollment
1,626 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Dietary Energy Density by Incorporating Vegetables in Order to Decrease Energy Intake

NCT01165086
View directory record Official record
Conditions
Obesity
Interventions
Incorporating vegetables into the diet to reduce energy density
Other
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 9, 2011 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Toddler Tastes Study

NCT06877468
View directory record Official record
Conditions
Dietary Behavior
Interventions
Associative conditioning, Modeling
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Months and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Multi-level Supermarket Discount Study

NCT04178824
View directory record Official record
Conditions
Obesity
Interventions
Discount Intervention
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 70 Years
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Brief Motivational Intervention to Increase Physical Activity and Fruit/Vegetable Intake

NCT01075139
View directory record Official record
Conditions
Physical Inactivity, Poor Diet
Interventions
Brief Motivational Intervention, Educational information
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 21, 2011 · Synced Sep 6, 2026, 2:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cruciferous Vegetable Intake and Histone Status in Screening Colonoscopy Patients

NCT01344330
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 75 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Sep 6, 2026, 2:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Barriers and Facilitators to Vegetable Intake

NCT03607526
View directory record Official record
Conditions
Overweight, Obese
Interventions
Barriers, Facilitators
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Results available

Variations in Palatability and Portion Size of Vegetables on Meal Intake of Preschool Children

NCT03926065
View directory record Official record
Conditions
Feeding Behavior
Interventions
Plain Vegetables Served in 100% Portion Size, Plain Vegetables Served in 200% Portion Size, Enhanced Vegetables Served in 100% Portion Size, Enhanced Vegetables Served in 200% Portion Size
Other
Lead sponsor
Penn State University
Other
Eligibility
3 Years to 5 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 6, 2026, 2:09 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

School Lunch Salad Bars and Fruit and Vegetable Consumption

NCT03283033
View directory record Official record
Conditions
Children, Only, Behavior, Eating, School, Obesity, Food Selection, Food Habits, Diet Modification, Adolescent Behavior
Interventions
New salad bar, Marketing
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
6 Years to 18 Years
Enrollment
7,491 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 23, 2023 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lycopene-rich Juice Intervention to Reduce Inflammatory Markers Among Adults With Obesity

NCT07120035
View directory record Official record
Conditions
Inflammatory Markers
Interventions
Lycopene-rich juice
Dietary Supplement
Lead sponsor
East Carolina University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Results available

Tanglewood Trail Walking Program in Rural Kentucky 2017

NCT03495648
View directory record Official record
Conditions
Dietary Habits
Interventions
walking group led by a community organizer
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years to 65 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pounds Off Digitally (POD): The Use of Podcasting and Mobile Media to Promote Weight Loss

NCT01139255
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Podcasting + mobile media
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 5, 2011 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pink and Dude Chef

NCT01803997
View directory record Official record
Conditions
Child Nutrition, Fruit and Vegetable Intake, Healthy Food Choice, Healthy Food Preparation
Interventions
Pink and Dude Chef Afterschool Cooking Program
Behavioral
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
11 Years to 15 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Mar 8, 2015 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Juice Study: Sensitivity of Skin Carotenoid Status to Detect Change in Intake

NCT03202043
View directory record Official record
Conditions
Overweight
Interventions
High dose vegetable juice, Medium dose vegetable juice, Low dose vegetable juice, Control bottled water
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 15, 2022 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

New Foods Take Time, a Curriculum Designed to Promote Tasting and Liking of Fruits and Vegetables

NCT04129372
View directory record Official record
Conditions
Eating Behavior
Interventions
New Foods Take Time
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
2 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carotenoid Response to the Intake of Vegetables and Fruits

NCT01403844
View directory record Official record
Conditions
Resonance Raman Spectroscopy for Dietary Carotenoid Intake
Interventions
Carotenoid Depletion, Carotenoid Repletion, Natural Repletion
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multiple Risk Behavior Intervention in Health Care Settings

NCT01415492
View directory record Official record
Conditions
Health Behavior, Risk Reduction Behavior
Interventions
HD2+
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
2,440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brassica Intake and Isothiocyanate Absorption

NCT02346812
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Controlled diet without brassica vegetables, Controlled diet with brassica vegetables
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 6, 2026, 2:09 AM EDT
Recruiting Not applicable Interventional

Ripe for Revival: Outcomes Evaluation of a Mobile Produce Market With Vouchers

NCT07218978
View directory record Official record
Conditions
Diet Interventions, Food Security, Nutrition Security, Fruit and Vegetable Intake
Interventions
Mobile Market Voucher Outcomes Study
Behavioral
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Investigation on the Effects of a Vegetable Juice Treatment

NCT01161706
View directory record Official record
Conditions
Vegetables, Cardiovascular Disease, Blood Pressure
Interventions
Vegetable Juice
Other
Lead sponsor
University of California, Davis
Other
Eligibility
40 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2010 · Synced Sep 6, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Theory of Planned Behavior and Implementation Intentions

NCT02205697
View directory record Official record
Conditions
Dietary Modification
Interventions
Implementation intention
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years to 72 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2016 · Synced Sep 6, 2026, 2:09 AM EDT