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Showing 1–24 of 576 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet Intervention Clear all
Recruiting Not applicable Interventional

Healthy Lifestyles for Bipolar Disorder

NCT06188754
View directory record Official record
Conditions
Time Restricted Eating, Diet, Mediterranean
Interventions
Time restricted eating, Mediterranean diet
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lifestyle Intervention in Preparation for Pregnancy (LIPP)

NCT03146156
View directory record Official record
Conditions
Obesity, Lifestyle-related Condition, Macrosomia, Fetal
Interventions
Lifestyle Intervention
Behavioral
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
4
States / cities
Baton Rouge, Louisiana • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure

NCT06735599
View directory record Official record
Conditions
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female, Adult, Cognition, Endothelial Function (Reactive Hyperemia), Oxidative Stress, Diet, Overweight, Body Composition Measurement, Gut Microbiome, Arterial Stiffness, Caucasian Whites, Inflammation, Microvascular Function
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Koa Family Study--A Community-Based Intervention to Improve Health and Well-Being

NCT04662593
View directory record Official record
Conditions
Obesity, Overweight, Diet, Healthy, Social Interaction, Weight Loss
Interventions
Whole Health Program
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 10, 2021 · Synced Sep 5, 2026, 8:08 AM EDT
Not listed Phase 3 Interventional

Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction

NCT01357317
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Diet counseling, Phosphorus binder
Other · Drug
Lead sponsor
Salem Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Salem, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CO-OP Trial: Community-based Outreach on Obesity in Pregnancy

NCT01841424
View directory record Official record
Conditions
Obesity, Pregnancy
Interventions
Dietary counseling. Maintain a food diary.
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 29, 2018 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The DINE Study-Diet Intervention to Negate Diabetes Study (Improving Weight Loss Outcomes for African Americans)

NCT00599040
View directory record Official record
Conditions
Diabetes, Hypertension, Insulin Resistance
Interventions
The DASH diet with weight loss, The DASH diet without weight loss, Dairy diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 17, 2013 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional

A Nutrition Intervention to Lower Blood Pressure in Adolescents

NCT00431288
View directory record Official record
Conditions
Hypertension
Interventions
diet high in fruits, vegetables, and dairy, Routine nutrition care
Behavioral · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
11 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Probiotic Intervention Study

NCT06030362
View directory record Official record
Conditions
Obesity, Food Addiction
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Factorial Trial of an Integrated Lifestyle Intervention

NCT06116435
View directory record Official record
Conditions
Physical Inactivity, Overweight and Obesity
Interventions
Prevent T2, Move group-based classes, Fitness Membership, Mental Imagery, Move 1:1 Support
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Personalized Diet on Cardiometabolic, Microbiome and Metabolomics Profiles in Minority Young Adults

NCT04635917
View directory record Official record
Conditions
Diet Intervention
Interventions
Personalized diet, Conventional dietary advice
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 35 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional

Randomized Evaluation of Voucher Interventions for Value and Effectiveness (REVIVE) in Philippines

NCT07640594
View directory record Official record
Conditions
Food Insecurity, Undernutrition, Diet Quality, Nutrition Knowledge
Interventions
Food Voucher + SBCC (PhP 3,000), Food Voucher + SBCC (PhP 5,000), Food Voucher + SBCC (PhP 8,000)
Behavioral
Lead sponsor
International Food Policy Research Institute
Other
Eligibility
0 Months to 99 Years
Enrollment
5,320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Beef on Muscle Fatigue in Older Adults

NCT05860088
View directory record Official record
Conditions
Muscle Weakness, Muscle; Fatigue, Heart, Older Adults
Interventions
Beef Diet, Vegetarian Diet
Other
Lead sponsor
Indiana University
Other
Eligibility
60 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional

LowSalt4Life: A Mobile Application to Reduce Sodium Intake And Blood Pressure

NCT05396001
View directory record Official record
Conditions
Hypertension, Blood Pressure
Interventions
LowSalt4Life Application, Just-In-time Adaptive Intervention (JITAI)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional

Whole Foods for Teens: A Pilot Dietary Intervention to Reduce Body Adiposity in Adolescents With Obesity

NCT06464497
View directory record Official record
Conditions
Obesity, Childhood, Diet, Healthy, Body Weight Changes
Interventions
Whole Foods MyPlate Group
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
10 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Almond Consumption on Cardiovascular, Metabolomic, and Microbiome Profiles in Millennials

NCT03084003
View directory record Official record
Conditions
Diet Intervention
Interventions
Almonds, Graham crackers
Dietary Supplement
Lead sponsor
University of California, Merced
Other
Eligibility
18 Years to 22 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Merced, California
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Sep 5, 2026, 8:08 AM EDT
Terminated Not applicable Interventional

Evaluating Dietary Intervention Before surgicaL Treatment for Epilepsy

NCT02261753
View directory record Official record
Conditions
Cortical Dysplasia
Interventions
Classical ketogenic diet
Dietary Supplement
Lead sponsor
University College, London
Other
Eligibility
3 Years to 15 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 5, 2026, 8:08 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Black Adults

NCT06184737
View directory record Official record
Conditions
Diet Habit, Sugar-Sweetened Beverages
Interventions
iSIPsmarter, Patient Education (PE)
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 110 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The First Twenty (TF20) for Volunteer Firefighters in a Clinic Based Setting

NCT02760628
View directory record Official record
Conditions
Obesity
Interventions
The First Twenty (TF20), Life Simple 7 (LS7)
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Leawood, Kansas • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

NDPP-NextGen: A Clinical Trial to Reduce Intergenerational Obesity and Diabetes Risks

NCT05674799
View directory record Official record
Conditions
Overweight or Obesity
Interventions
NDPP-NextGen
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
403 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 5, 2026, 8:08 AM 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 5, 2026, 8:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Encouraging a Plant Based Diet in an Underserved Urban Population

NCT06090409
View directory record Official record
Conditions
Food Neophobia, Food Preferences, Dietary Habits
Interventions
Implementing free/subsidized agricultural produce to encourage a plant-based diet.
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Sep 5, 2026, 8:08 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

LpD3.5 Intervention Study in Older Adults- LISA-I Trial

NCT07794956
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Cognition, Brain Aging, Microbiome Dysbiosis, Leaky Gut Syndrome, Gut Inflammation, Inflammaging
Interventions
LpD3.5, Placebo
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
60 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 5, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ADAPT-Altering Diet for African American Populations to Treat Hypertension

NCT00621569
View directory record Official record
Conditions
Hypertension
Interventions
Dietary Approaches to Stop Hypertension-The DASH diet, Intervention with no dietary component - information regarding useful life skills
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
25 Years and older
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 17, 2013 · Synced Sep 5, 2026, 8:08 AM EDT