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

A Remote Delivered Lifestyle Therapeutics Program

NCT04201028
View directory record Official record
Conditions
Body Weight Changes, Weight Loss, Healthy Diet, Obesity
Interventions
Video Conferencing Health Coaching with devices, Video Conferencing Health Coaching with no devices
Behavioral
Lead sponsor
Coastal Carolina University
Other
Eligibility
20 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Dietary Supplement in Subjects With Acid Reflux and/or Abdominal Bloating/Distention and GI Symptoms

NCT06808867
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Dietary Supplement with Active Ingredient Blend
Dietary Supplement
Lead sponsor
Olly, PBC
Industry
Eligibility
18 Years to 85 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Remote Dietary Counseling to Promote Healthy Diet and Blood Pressure

NCT03700710
View directory record Official record
Conditions
Blood Pressure, High Blood Pressure, Dietary Modification, Overweight and Obesity
Interventions
Self-Guided Approach, Dietitian-led Approach
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Danville, Pennsylvania • Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Jul 20, 2026, 1:27 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

PODER Familiar: Health Promotion for Latino Families of Children With IDD

NCT05713617
View directory record Official record
Conditions
Health-Related Behavior, Quality of Life, Psychological Distress, Diet, Healthy, Physical Inactivity
Interventions
PODER Familiar
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
6 Years to 100 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Chicago, Illinois • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Added Sugar Intake on Brain Blood Flow and Hippocampal Function in Midlife Adults

NCT05211726
View directory record Official record
Conditions
Aging, Healthy Diet
Interventions
Low Added Sugar Diet, High Added Sugar Diet
Other
Lead sponsor
University of Delaware
Other
Eligibility
50 Years to 64 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Jul 20, 2026, 1:27 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of an Avocado Dietary Supplement

NCT07354308
View directory record Official record
Conditions
Overweight, Metabolic Health, Insulin Resistance
Interventions
Metavo Supplement, Placebo
Dietary Supplement
Lead sponsor
SP Nutraceuticals Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Western Diet Patterns on Plasma Inflammatory and Cardio Metabolic Health Signatures in Middle-aged Adults

NCT04275843
View directory record Official record
Conditions
Healthy Diet
Interventions
Traditional Diet, Modern Diet
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
35 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Prebiotic Sodas on Satiety and Metabolic Responses in Healthy Men

NCT07105826
View directory record Official record
Conditions
Olipop, Poppi, Coca Cola - Classic, Diet Coke
Interventions
Prebiotic Soda 1, Prebiotic Soda 2, Diet Soda, Regular Coke
Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Comprehensive Practice-Friendly Model for Promoting Healthy Behaviors

NCT00292968
View directory record Official record
Conditions
Unhealthy Diet, Exercise, Smoking, and Alcohol Use
Interventions
Computer based care, Telephone counseling, Group visits, Usual care
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
5,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Newport News, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2012 · Synced Jul 20, 2026, 1:27 AM EDT
Withdrawn Not applicable Interventional

Pilot Intervention-Exercise for the Weight, Healthy Eating, and Exercise for the Long-Haul

NCT03147209
View directory record Official record
Conditions
Obesity, Commercial Motor Vehicle Driver
Interventions
Health Coaching
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
21 Years to 74 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 5, 2019 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Identification of Surrogate Blood and/or Urine Biomarker for Immulina TM (Trademark) in Normal Humans

NCT05556967
View directory record Official record
Conditions
Adherence, Patient
Interventions
Immulina
Drug
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Latino Fathers Promoting Healthy Youth Behaviors

NCT03469752
View directory record Official record
Conditions
Diet Modification, Physical Activity, Parenting, Adolescent Obesity
Interventions
Parent education classes
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
10 Years to 14 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2021 · Synced Jul 20, 2026, 1:27 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Dynamic Connectivity Under Metabolic Constraints

NCT04106882
View directory record Official record
Conditions
Insulin Resistance, Healthy, Diet Modification, Aging
Interventions
Ketones, Glucose
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 79 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
2
States / cities
Charlestown, Massachusetts • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Jul 20, 2026, 1:27 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Increasing Affordable Fruits and Vegetables for Families With Food Insecurity

NCT06828445
View directory record Official record
Conditions
Diet
Interventions
Veggie Vouchers
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
2 Years to 10 Years
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional

Weight Loss and Healthy Diet Through Mobile Phone-enabled Social Interactions

NCT01957800
View directory record Official record
Conditions
Overweight, Obese
Interventions
Website, Usual Care
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 31, 2015 · Synced Jul 20, 2026, 1:27 AM EDT
Completed No phase listed Observational

Sensory Study: Taste and Tongue Biology

NCT05985928
View directory record Official record
Conditions
Healthy Adults
Interventions
Not listed
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years to 45 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Trial of Behavioral Economic Interventions Among Food Pantry Clients

NCT04011384
View directory record Official record
Conditions
Food Preferences
Interventions
Behavioral economic intervention of online purchasing at a food pantry
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
286 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Protein Supplementation on Bone Health in Healthy Older Men and Women

NCT00421408
View directory record Official record
Conditions
Bone Resorption, Osteoporosis
Interventions
Whey protein supplement, Placebo
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
60 Years to 85 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Farmington, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Manipulation on Metabolism in Healthy Adults

NCT00476125
View directory record Official record
Conditions
Metabolic Regulation, Fasting, Ketogenic Diet
Interventions
Dietary manipulation ketogenic diet, Dietary Manipulation - 12 day ketogenic diet, 16 Hour Fast
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Jul 20, 2026, 1:27 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health: Greenville

NCT01716429
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Vegan diet, Low calorie diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch Blend Gastrointestinal Impact

NCT03983772
View directory record Official record
Conditions
Quality of Life, Health, Subjective
Interventions
RS blend, Placebo
Dietary Supplement · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Liver - Healthy Brain

NCT05216796
View directory record Official record
Conditions
Metabolic Syndrome, Non-Alcoholic Fatty Liver Disease, NAFLD, Pre-diabetes
Interventions
Diet Intervention
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
40 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Metabolism of Bioactive Dietary Polyphenol Preparation (BDPP)

NCT04421079
View directory record Official record
Conditions
Healthy Control
Interventions
Trans-resveratrol, Concord grape juice, Grape seed polyphenol extract, Placebo
Dietary Supplement · Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 55 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2025 · Synced Jul 20, 2026, 1:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Addition of Whole Grains to the Diets of Middle-school Children

NCT01094652
View directory record Official record
Conditions
Healthy
Interventions
Whole grain diet, Refined grain diet
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
11 Years to 15 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Jul 20, 2026, 1:27 AM EDT