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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Exposure Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Energy Dense Fueling for Cold-Weather Operations

NCT07489690
View directory record Official record
Conditions
Cold Exposure
Interventions
High Fat, High Carbohydrate
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Results available

Promoting Healthier Eating Among Children in Restaurants

NCT04334525
View directory record Official record
Conditions
Diet, Healthy
Interventions
Choice architecture + repeated exposure, Active comparator
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
4 Years to 8 Years
Enrollment
554 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 6, 2026, 3:32 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Prostate Cancer Screening and Dietary Heterocyclic Amines in African American Men

NCT00354497
View directory record Official record
Conditions
Prostate Cancer
Interventions
physiologic testing, study of socioeconomic and demographic variables, evaluation of cancer risk factors, mutation carrier screening, study of high risk factors
Other · Procedure
Lead sponsor
Lawrence Livermore National Laboratory at University of California
Other
Eligibility
50 Years to 70 Years · Male only
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
2
States / cities
Livermore, California • Oakland, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing "Ultraprocessed" Front-of-package Label Among Brazilian Consumers

NCT05842460
View directory record Official record
Conditions
Dietary Exposure
Interventions
Nutrient warning labels, Nutrient and ultraprocessed warning labels
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1,007 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stimulation of Diet-Induced Thermogenesis by Cold-Exposure

NCT01898949
View directory record Official record
Conditions
Thermogenesis, Brown Adipose Tissue
Interventions
Cold Exposure
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Personalized Diet Study to Reduce Glycemic Exposure

NCT03336411
View directory record Official record
Conditions
Pre-diabetes, Overweight and Obesity
Interventions
mHealth, Personalized mHealth
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Bioequivalence Study on Vitamin C in Healthy Adults

NCT03562988
View directory record Official record
Conditions
Dietary Exposure
Interventions
Vitamin C gummy, Vitamin C tablet
Dietary Supplement
Lead sponsor
Church & Dwight Company, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Assess the Effects of an Oral Dietary Supplement on Overall Facial Appearance Among Healthy Adult Women With Existing Skin Damage From Sun Exposure

NCT01787461
View directory record Official record
Conditions
Photodamaged Skin
Interventions
Imedeen, Placebo
Dietary Supplement
Lead sponsor
Pfizer
Industry
Eligibility
35 Years to 65 Years · Female only
Enrollment
194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
4
States / cities
Miami, Florida • Fair Lawn, New Jersey • Lynchburg, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Evaluating the Effects of an Oral Protein Supplement on Children's Growth Patterns

NCT06329388
View directory record Official record
Conditions
Growth Disorders, Dietary Exposure, Child Development, Bone Development Abnormal, Body Weight, Child Malnutrition
Interventions
TruHeight Growth Protein Shake
Dietary Supplement
Lead sponsor
TruHeight Vitamins
Industry
Eligibility
4 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Efficacy of Fish Oil or Olive Oil Supplementation on the Health Effects of Ozone Exposure in Healthy Young Subjects

NCT03395119
View directory record Official record
Conditions
Healthy, Dietary Supplement
Interventions
Ozone, Fish Oil, Olive Oil
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developmental Origins of Attention Deficit Hyperactivity Disorder

NCT01982422
View directory record Official record
Conditions
Inattention, Impulsivity, Anxiety
Interventions
Whole Food, Nutrient-Dense Dietary Intervention, Standard of Care
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 11, 2019 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Liking Adaptation to Beverages With Varying Sweetness Levels After Prolonged Exposure

NCT04609657
View directory record Official record
Conditions
Sweetness Liking Adaptation
Interventions
Flavored carbonated soft drink (CSD)
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
25 Years to 55 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase 2 Reduction of Dietary Mycotoxin Exposure by ACCS100"

NCT01677195
View directory record Official record
Conditions
Dietary Carcinogenesis
Interventions
ACCS100, Placebo
Drug
Lead sponsor
Texas Enterosorbents Incorporated
Industry
Eligibility
18 Years to 85 Years
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Sep 6, 2026, 3:32 PM EDT
Completed No phase listed Observational

Study of Diets and Way of Life of Native Americans and Hispanics in New Mexico During the Time of the Trinity Nuclear Test

NCT02211781
View directory record Official record
Conditions
Lifestyle, Diet, Ionizing Radiation Exposure
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
75 Years to 101 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Sep 6, 2026, 3:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

TEDDY - The Environmental Determinants of Diabetes in the Young

NCT00279318
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
0 Months to 4 Months
Enrollment
8,667 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2025
U.S. locations
4
States / cities
Denver, Colorado • Gainesville, Florida • Augusta, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Benzo[a]Pyrene: Impact of Diet

NCT03802721
View directory record Official record
Conditions
Environmental Exposure
Interventions
[14C]-benzo[a]pyrene, Brussels sprouts before 50 ng dose, DIM supplement before 50 ng dose
Drug
Lead sponsor
Oregon State University
Other
Eligibility
21 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 21, 2025 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional

Brain Response to Dietary Interventions

NCT02637271
View directory record Official record
Conditions
Obesity
Interventions
Low calorie total meal replacement, Low calorie typical diet
Other
Lead sponsor
Texas Tech University
Other
Eligibility
19 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 1, 2016 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinician Promotion of Healthy Diet and Activity to Reduce Obesity Among Adolescents: HEALTHY SMILES

NCT01510483
View directory record Official record
Conditions
Obesity
Interventions
Obesity Prevention, Tobacco Prevention
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
8 Years to 14 Years
Enrollment
693 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 6, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prenatal Education on Environmental Exposures During Pregnancy Study (PEEPS)

NCT07758114
View directory record Official record
Conditions
Environmental Exposure, Pregnancy Related, Preterm Birth, Chronic Respiratory Disease, Neurodegenerative Diseases
Interventions
Educational Intervention
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 6, 2026, 3:32 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Lutein Supplementation in Healthy Children

NCT05314647
View directory record Official record
Conditions
Eye Fatigue, Diet, Healthy, Cognitive Change
Interventions
lutein, placebo
Dietary Supplement
Lead sponsor
Northcentral University
Other
Eligibility
8 Years to 16 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 6, 2026, 3:32 PM EDT
Not listed No phase listed Observational

Healthcare Decisions on Dietary and Environmental Allergen Exposure

NCT03144908
View directory record Official record
Conditions
Dietary Allergy, Environmental Allergy
Interventions
Standard Operating Procedures
Other
Lead sponsor
Data Collection Analysis Business Management
Other
Eligibility
Not listed
Enrollment
200 participants
Timeline
2017 – 2020
U.S. locations
1
States / cities
Land O' Lakes, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Sep 6, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Tasting Plant Forward Meals

NCT07202988
View directory record Official record
Conditions
Dietary Exposure
Interventions
vegetable combination 1, vegetable combination 2, vegetable combination 3, vegetable combination 4, vegetable combination 5
Other
Lead sponsor
Sara Maksi
Other
Eligibility
18 Years to 25 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 6, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interaction of Salivary Proteins and Polyphenols

NCT03501238
View directory record Official record
Conditions
Diet Habit, Diet Modification, Taste, Altered, Saliva Altered
Interventions
Chocolate Milk, Chocolate milk substitute, Chocolate milk substitute with gelatin
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Sep 6, 2026, 3:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impacts of Sugar Warnings on Weight Bias

NCT07346001
View directory record Official record
Conditions
Nutrition, Diet Interventions
Interventions
Control label, Added sugar warning
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 6, 2026, 3:32 PM EDT