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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
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Effects of Dietary Phosphate Intake on Calciotropic Hormones and FGF23.

NCT00305279
View directory record Official record
Conditions
Healthy, Kidney Failure, Chronic
Interventions
Dietary
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2013 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity and Diabetes Prevention Through Science Enrichment

NCT00541879
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Program ENERGY, comparison
Behavioral · Other
Lead sponsor
Colorado State University
Other
Eligibility
6 Years to 13 Years
Enrollment
2,909 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2011
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Resistant Starch and Satiety

NCT01187875
View directory record Official record
Conditions
Healthy Adults
Interventions
Placebo- Fiber free control, Hi-maize resistant starch 9g, Novalose 330 resistant starch 9g, 4.5g Hi-maize resistant starch and 4.5g Novalose 330
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 28, 2012 · Synced Sep 29, 2026, 4:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Early Infant Diet on Growth and Development

NCT00616395
View directory record Official record
Conditions
Healthy
Interventions
No intervention
Device
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
1 Month to 3 Months
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2025
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MiCrobiome dieT Study

NCT03610477
View directory record Official record
Conditions
Healthy
Interventions
Medium chain triglycerides, Long chain triglycerides
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 29, 2026, 4:16 PM EDT
Recruiting Not applicable Interventional

Black Impact: The Mechanisms Underlying Psychosocial Stress Reduction in a Cardiovascular Health Intervention

NCT06055036
View directory record Official record
Conditions
Cardiometabolic Syndrome, Physical Inactivity, Hypertension, Type 2 Diabetes, PreDiabetes, Obesity, Cardiovascular Diseases, Smoking, Sleep, Hyperlipidemias, Diet, Healthy, Blood Pressure
Interventions
Black Impact Intervention
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Male only
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Sep 29, 2026, 4:16 PM EDT
Recruiting Phase 2 Interventional

Metabolic Interventions (Time-Restricted Eating, GLP1 Receptor Agonist, and Heart Healthy Diet) to Improve Cardiometabolic Health in Prostate Cancer Patients During Androgen Deprivation Therapy, IMPACT-ADT Trial

NCT07202247
View directory record Official record
Conditions
Prostate Carcinoma, Recurrent Prostate Carcinoma
Interventions
Antiandrogen Therapy, Behavioral Intervention, Biospecimen Collection, Cardiac Computerized Tomographic Angiography, Computed Tomography, Electronic Health Record Review, Internet-Based Intervention, Lifestyle Counseling, Medical Device Usage and Evaluation, Nutritional Intervention, Questionnaire Administration, Radiation Therapy, Referral, Semaglutide, Short-Term Fasting, Tirzepatide
Drug · Behavioral · Procedure + 2 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
30 Years to 79 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Dietary Absorptive Capacity of Fructans in Healthy Subjects - A Dose Response Study

NCT00988403
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Fructan - 7.5, Fructan - 10, Fructan - 12.5, Fructan -- 5 grams
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 22, 2018 · Synced Sep 29, 2026, 4:16 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Bioavailability and Pharmacodynamics of EPA and DHA From Fortified Soymilk and Capsules

NCT05802797
View directory record Official record
Conditions
Healthy Diet
Interventions
Algae Oil Fortified Soymilk, Algae Oil Capsule
Other · Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 20, 2025 · Synced Sep 29, 2026, 4:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Added Sugar Intake, Sweet Taste Phenotypes and Biomarkers

NCT05047588
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Monell Chemical Senses Center
Other
Eligibility
3 Years to 70 Years
Enrollment
277 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Sep 29, 2026, 4:16 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Developing Biomarkers of Dietary Intake: Dose Dependent Measurement of Sugar Intake

NCT04799301
View directory record Official record
Conditions
Diet Therapy, Healthy Volunteers
Interventions
Diet with no soda, Diet with 50% of carb intake from soda, Diet with 20% of carb intake from soda
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community Agriculture Nutritional Enterprises (CANE) Meal Program

NCT04237571
View directory record Official record
Conditions
Diet, Healthy, Life Style, Healthy
Interventions
CANE Meal Program
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years to 99 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Results available

Buen Provecho!: A Virtual Family-Based Intervention to Promote Health

NCT05419557
View directory record Official record
Conditions
Health Behavior, Diet, Healthy, Childhood Obesity
Interventions
Virtual Family-Based Healthy Plate Club
Behavioral
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Leesburg, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 29, 2026, 4:16 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Improving Dietary Quality Through Animal Source Protein Accessibility in a Low-Resource Setting

NCT07620028
View directory record Official record
Conditions
Nutrition Intervention, Healthy Eating, Diet, Healthy, Hunger, Food Security
Interventions
Nutrition Secure Indianapolis Food Box Intervention, Nutrition Secure Indianapolis Nutrition Education
Other · Behavioral
Lead sponsor
Purdue University
Other
Eligibility
5 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of a Dietary Intervention Based Upon Advanced Glycation End Products

NCT01402973
View directory record Official record
Conditions
Healthy Adults
Interventions
Dietary
Other
Lead sponsor
United States Department of Agriculture (USDA)
Federal
Eligibility
50 Years to 69 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2011 · Synced Sep 29, 2026, 4:16 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Clatsop Astoria Maternal Partnership Study (CAMPS) - Healthy Eating in Pregnancy Intervention

NCT03210870
View directory record Official record
Conditions
Pregnancy Related
Interventions
nutritional education classes
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 8, 2021 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COMIDAS Comparing Original Mexican Diets and Standard US Diets

NCT01369173
View directory record Official record
Conditions
Healthy
Interventions
Mexican or American foods
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 5, 2015 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Dietary Salt Intake and Vascular Function

NCT00590512
View directory record Official record
Conditions
Healthy
Interventions
High sodium, Low sodium
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 28, 2013 · Synced Sep 29, 2026, 4:16 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin D Intervention and Associated Changes in the Gut Microbiome and Vitamin D Levels in Healthy Adults

NCT05387876
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Vitamin D intervention, Placebo intervention
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 79 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Sep 29, 2026, 4:16 PM EDT
Active, not recruiting Not applicable Interventional

Intervention Effects on Health Promoting Behaviors and Factors Influencing Long-Term Behavior Change

NCT06892587
View directory record Official record
Conditions
Overweight (BMI > 25), Obese Patients
Interventions
An 8-week virtual group intervention designed to promote sustainable health behavior changes in participants, Standard of care Nutritional Information
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 29, 2026, 4:16 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure

NCT05545306
View directory record Official record
Conditions
Obesity, Normal Physiology, Healthy Volunteers
Interventions
+200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calcium Supplementation for a Healthy Weight (CaSHeW)

NCT01363115
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Orange Juice fortified with Calcium and Vitamin D, Orange juice without Ca or VitD, Nutritional Counseling
Dietary Supplement · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 31, 2011 · Synced Sep 29, 2026, 4:16 PM EDT
Completed Not applicable Interventional

Changing Healthy Outcomes In Clinic Environments

NCT00674518
View directory record Official record
Conditions
Obesity, Physical Inactivity, Diabetes
Interventions
One on one counseling, Group/team - based health education, PACE physician counseling
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
30 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 29, 2026, 4:16 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

It's Native: Nudging Healthy Ways

NCT05470296
View directory record Official record
Conditions
Diet, Healthy, Physical Activity
Interventions
Move & Eat 2 Live
Behavioral
Lead sponsor
University of Southern Mississippi
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Hattiesburg, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Sep 29, 2026, 4:16 PM EDT