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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet, Healthy Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Diet for Healthy Moms and Babies

NCT03467503
View directory record Official record
Conditions
Gestational Diabetes, Obesity, Pregnancy, High Risk
Interventions
Blueberry + soluble fiber
Dietary Supplement
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
19 Years to 40 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Breakfast on Brain Function

NCT00621595
View directory record Official record
Conditions
Healthy
Interventions
USDA School Breakfast
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
8 Years to 11 Years
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2015 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic and Epigenetic Impact of FAAH Inhibitors and OEA

NCT07127445
View directory record Official record
Conditions
Healthy
Interventions
OEA supplement
Dietary Supplement
Lead sponsor
Nicole Stevens, PhD
Industry
Eligibility
18 Years to 64 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Pleasant Grove, Utah
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional

eCulinary Medicine Emphasizing Herbs/Spices to Increase Vegetable Intake

NCT05587855
View directory record Official record
Conditions
Hypertension, Diet, Healthy, Culinary Medicine
Interventions
E-group
Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fruits and Vegetables Incentives Study

NCT04235413
View directory record Official record
Conditions
Obesity, Fruit and Vegetable Intake, Healthy Diet
Interventions
Real-Time Incentives Group
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Designing Food Voucher Programs to Reduce Disparities in Healthy Diets

NCT02843178
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Vouchers
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jul 21, 2026, 4:22 AM EDT
Active, not recruiting Not applicable Interventional

A 12-week Pilot Nutrition Intervention for Children With New Diagnosis of Stage 3 Type 1 Diabetes (T1D)

NCT06640478
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
NUTRI-Beta Counseling, Standard dietary counseling, Free weekly produce foods
Other · Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
6 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jul 21, 2026, 4:22 AM EDT
Completed No phase listed Observational

Women's Healthy Eating and Living Study

NCT00003787
View directory record Official record
Conditions
Breast Cancer
Interventions
educational/counseling intervention, therapeutic dietary intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
3,088 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2018
U.S. locations
7
States / cities
Tucson, Arizona • La Jolla, California • Oakland, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2019 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Vascular Effects of Dietary Salt in Humans With Salt-Resistant Blood Pressure

NCT03424993
View directory record Official record
Conditions
Healthy
Interventions
Dietary Sodium Restriction, Control
Other
Lead sponsor
University of Delaware
Other
Eligibility
21 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced Jul 21, 2026, 4:22 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Palmitate Study: A Method Study of Dietary Lipid Oxidation in Toddlers

NCT04408833
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
23 Months to 25 Months
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Seaweed and Early Breast Cancer: A Randomized Trial

NCT01663792
View directory record Official record
Conditions
Seaweed Associated Changes in Healthy Subjects
Interventions
Seaweed, Placebo, Placebo2
Other
Lead sponsor
University of South Carolina
Other
Eligibility
45 Years to 68 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Impact on Intestinal Sulfate Metabolism

NCT05333900
View directory record Official record
Conditions
Healthy Nutrition
Interventions
Plant-Based Diet then animal-based diet, Animal-based diet then plant-based diet
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Jul 21, 2026, 4:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

USDA Western Human Nutrition Research Center (WHNRC) Cross-Sectional Nutritional Phenotyping Study

NCT02367287
View directory record Official record
Conditions
Obesity, Inflammation
Interventions
Not listed
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PREDICT 2: Personalized Responses to Dietary Composition Trial 2

NCT03983733
View directory record Official record
Conditions
Diabetes, Heart Diseases, Diet Habit, Diet Modification, Microbial Colonization, Healthy, Obesity, Metabolism
Interventions
Dietary Intervention
Other
Lead sponsor
Zoe Global Limited
Other
Eligibility
18 Years to 70 Years
Enrollment
1,139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2022 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing Fermentability of a Dietary Fiber

NCT01497249
View directory record Official record
Conditions
Nutritional Intervention
Interventions
A dietary fiber (FCHO), Placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Jul 21, 2026, 4:22 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of Chia on Overweight/Obese Women

NCT03233906
View directory record Official record
Conditions
Obesity, Eating Behavior, Mood, Glucose, Dietary Modification
Interventions
Chia Seeds- Salvia Hispanica
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pomona, California
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional

Promoting Self-Regulation Skills and Healthy Eating Habits in Early Head Start

NCT03958214
View directory record Official record
Conditions
Poverty
Interventions
Recipe 4 Success, Usual practice Early Head Start
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
2 Years to 3 Years
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lipoprotein Effects of Substituting Beef Protein for Carbohydrate

NCT00852267
View directory record Official record
Conditions
Healthy, Cardiovascular Disease, Atherogenic Dyslipidemia
Interventions
High Carbohydrate, High Saturated Fat Diet, Low Carbohydrate, High Saturated Fat Diet, Low Carbohydrate, Low Saturated Fat Diet
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years and older · Male only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Environmental Nudges on Dietary Quality

NCT06119165
View directory record Official record
Conditions
Healthy Diet
Interventions
Environmental nudges
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 25 Years
Enrollment
2,132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mushroom Ingestion Study

NCT04257201
View directory record Official record
Conditions
Diet, Healthy
Interventions
Yellow Oyster -- 84 g, Yellow Oyster -- 168 g, White button -- 84 g, White button -- 168 g, Control
Other
Lead sponsor
Purdue University
Other
Eligibility
30 Years to 69 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Jul 21, 2026, 4:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Validation of Dietary Calcium Questionnaires Using Diet Records

NCT00512733
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
19 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Lowering Phosphate Additive Intake on Metabolism and Cardiovascular Health in Community-Living Adults

NCT02620449
View directory record Official record
Conditions
Healthy, Chronic Kidney Disease
Interventions
Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Jul 21, 2026, 4:22 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Personalized Nutrition Education in Improving Eating Habits of Healthy Participants Who Eat an Unhealthy Diet

NCT00301678
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
behavioral dietary intervention, educational intervention, preventative dietary intervention
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
2,520 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2001
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced Jul 21, 2026, 4:22 AM EDT
Completed Not applicable Interventional

Hearty Meals for Mom- Pilot Study of Meal Delivery for Cardiometabolic Health During Pregnancy

NCT05512247
View directory record Official record
Conditions
Diet, Healthy, Pregnancy
Interventions
Meal Delivery
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 21, 2026, 4:22 AM EDT