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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tomato Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure

NCT03486145
View directory record Official record
Conditions
High Blood Pressure, Flow Mediated Dilation
Interventions
fruit and vegetable juice supplement, Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 40 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

LycoRed 40051 Product as a Countermeasure to Exercise Stress

NCT02369666
View directory record Official record
Conditions
Inflammation
Interventions
LycoRed (code 40051) product, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Tomato Products and Disease Risk

NCT00966550
View directory record Official record
Conditions
Inflammation
Interventions
Tomato, Non-tomato
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Provitamin A Absorption and Conversion With Avocados

NCT01432210
View directory record Official record
Conditions
Healthy
Interventions
Post-prandial Feeding Study
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fruit and Vegetable Biomarker Discovery

NCT05621863
View directory record Official record
Conditions
Biomarkers
Interventions
Aim 1 Meal Challenge 1, Aim 1 Meal Challenge 2, Aim 1 Meal Challenge 3, Aim 2 Typical American Diet, Aim 2 Typical American Diet Plus Test Foods, Aim 2 Dietary Guidelines for Americans Diet Plus Test Foods
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 9, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.

NCT06075914
View directory record Official record
Conditions
Sleep Deprivation, Nutritional Intervention
Interventions
Ketogenic Intervention, Mediterranean Intervention, Placebo, Ketone Ester
Other · Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 9, 2026, 5:05 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Double-Blind, Randomized, Placebo-Controlled Study Evaluating the Nutritional Supplement Lumenato and Its Impact on Skin Parameters in Healthy Female Subjects

NCT04356456
View directory record Official record
Conditions
Skin
Interventions
Lumenato
Dietary Supplement
Lead sponsor
LycoRed Ltd.
Industry
Eligibility
35 Years to 55 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fairfield, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 9, 2026, 5:05 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Lycopene in Preventing Prostate Cancer in Healthy Participants

NCT00322114
View directory record Official record
Conditions
Prostate Cancer
Interventions
lycopene, placebo
Dietary Supplement · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 9, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

To Assess the Efficacy and Safety of the Cardio Formulation in Reducing Oxidized LDL

NCT04317287
View directory record Official record
Conditions
Oxidized Low Density Lipoprotein
Interventions
Cardio formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
40 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

Value of Patch Testing in Direct Diet Therapy for Eosinophilic Esophagitis

NCT02227836
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Allergy Patch Testing
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Sep 9, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional

Living Well With Lymphoma

NCT06047626
View directory record Official record
Conditions
Lymphoma
Interventions
Fatigue Reduction Diet, General Health Curriculum
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 9, 2026, 5:05 PM 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 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Beef Burger Versus a Vegetarian Burger

NCT04034160
View directory record Official record
Conditions
Inflammation
Interventions
vegetarian burger, beef burger
Other
Lead sponsor
Loma Linda University
Other
Eligibility
21 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Carotenoid Bioavailability From Fresh Papaya, Tomato and Carrot

NCT01748916
View directory record Official record
Conditions
Focus of Study: Carotenoid Absorption
Interventions
Papaya, Carrot, Tomato
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 9, 2026, 5:05 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Produce Prescriptions and Veggie Meter Scores for College Food Security

NCT07511699
View directory record Official record
Conditions
Food Insecurity, Carotenoid Status, Produce Prescription
Interventions
Produce boxes
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 9, 2026, 5:05 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Cholecystokinin for Reducing Binge Eating in People With Bulimia Nervosa

NCT00308776
View directory record Official record
Conditions
Bulimia Nervosa, Eating Disorders
Interventions
Cholecystokinin (CCK) infusion, Saline infusion
Procedure
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2012 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Somato® (Phytomelatonin) Versus Synthetic Melatonin and Placebo on Sleep Quality

NCT07669766
View directory record Official record
Conditions
Sleep
Interventions
Plant-based melatonin, Melatonin, Placebo
Dietary Supplement
Lead sponsor
Nutraland USA, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adherence Dynamics for Whole Food Interventions in African-American Men

NCT01408459
View directory record Official record
Conditions
Healthy
Interventions
Tomato Product, Control
Dietary Supplement
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older · Male only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 9, 2026, 5:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Choline Source, Gut Microbiota and Trimethylamine-N-oxide Response

NCT04255368
View directory record Official record
Conditions
Metabolism
Interventions
Water-soluble choline, Fat-soluble choline, No choline control
Other
Lead sponsor
Utah State University
Other
Eligibility
21 Years to 50 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Sep 9, 2026, 5:05 PM EDT