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Showing 1–24 of 191 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet Quality Clear all
Active, not recruiting Not applicable Interventional

Testing Counseling and Mobile Health Interventions to Improve Physical Activity and Diet Quality in Survivors of Childhood Cancer

NCT05075759
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Behavioral Intervention, Survey Administration, Interview
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 54 Years
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Memphis, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Maltodextrin Supplementation: Gastrointestinal Health

NCT02733263
View directory record Official record
Conditions
Healthy
Interventions
15 g RMD, 25 g RMD, 0 g RMD
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Two Nutrition-Based Interventions on Physician Well-being

NCT06598540
View directory record Official record
Conditions
Self-Compassion, Self-care, Self-care Agency, Self-kindness, Self-valuation
Interventions
Kindness-focused, Health-focused
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 2, 2026, 5:26 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 2, 2026, 5:26 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Behavioral Economics to Implement Nutrition Ranking in Food Pantries

NCT05854212
View directory record Official record
Conditions
Food Insecurity, Dietary Quality, Behavioral Economics, Implementation Science
Interventions
Behavioral economics-enhanced user interface
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
364 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Suspended Not applicable Interventional

Effects of Home Gluten Immunogenic Peptide Testing on Children With Celiac Disease

NCT03462979
View directory record Official record
Conditions
Celiac Disease, Gluten Sensitivity, Gluten Enteropathy, Gastrointestinal Disease, Digestive System Disease, Diet Modification, Intestinal Disease, Malabsorption Syndromes, Patient Compliance, Diagnostic Self Evaluation, Quality of Life
Interventions
Immunochromatographic lateral flow test
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 2, 2026, 5:26 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Dietary Quality and Social Engagement Through a Virtual Nutrition and Teaching Kitchen Intervention Among Older Veterans With Impaired Mobility

NCT06726083
View directory record Official record
Conditions
Impaired Mobility
Interventions
Nutrition Intervention, Contact Control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of the Snackability Smartphone Application to Improve Quality of the Snack Intake, General Diet Quality, and Weight Among College Students

NCT05302830
View directory record Official record
Conditions
Obesity, Diet, Healthy
Interventions
Snackability app, Control group
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years to 24 Years
Enrollment
272 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 2, 2026, 5:26 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein Intake During GLP-1 Medication Use (in Middle-aged Women With Overweight/Obesity)

NCT07480109
View directory record Official record
Conditions
Obesity, Women (Between 30 to 60 Years Old)
Interventions
Protein Rich Foods
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
30 Years to 60 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Recruiting Not applicable Interventional

Ketogenic and Carnivore (Lion) Diets for Inflammatory Bowel Disease and Rheumatoid Arthritis

NCT07524244
View directory record Official record
Conditions
Rheumatoid Arthritis (RA), Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions
Ketogenic diet, Carnivore (Lion) Diet
Behavioral
Lead sponsor
Fuller Research Foundation
Other
Eligibility
18 Years to 64 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Pain in Amputees Reduced by Administration of Diet Examination

NCT05460845
View directory record Official record
Conditions
Amputation, Phantom Limb Pain, Residual Limb Pain
Interventions
Low-Carbohydrate Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Sep 2, 2026, 5:26 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Healthy Options At Pantries (HOAP) Study

NCT07729436
View directory record Official record
Conditions
Food Choice, Implementation Science, Food Insecurity, Diet, Healthy, Behavioral Economics
Interventions
Behavioral economics-based Healthy Options At Pantries (HOAP) digital nudge intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Recruiting Not applicable Interventional

A Randomized Controlled Trial of a Nutritional Intervention for Endometriosis

NCT07090096
View directory record Official record
Conditions
Endometriosis
Interventions
A whole food plant based diet
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Nourishing Hope: The Impact of Nutrition in Cancer Treatment and Recovery in Maine

NCT07076004
View directory record Official record
Conditions
Cancer
Interventions
Medically Tailored Grocery Plus Nutrition Counseling Group, Experimental: Medically Tailored Grocery Group, Standard of Care Group with Delayed Medically Tailored Grocery Delivery
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional

Comparative Effectiveness of 7 Versus 21 Home-delivered Medically Tailored Meals to Improve Malnutrition Risk in Malnourished Patients With Heart Failure

NCT06142903
View directory record Official record
Conditions
Heart Failure, Malnutrition
Interventions
7 versus 21 medically tailored meals per week
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Sep 2, 2026, 5:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Physiological and Dietary Characteristics of Boys and Girls High School Basketball Players

NCT05658159
View directory record Official record
Conditions
Bone Health
Interventions
Vitamin D, DXA scan, Nutrition analysis
Diagnostic Test · Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
14 Years to 19 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional

Wahls Paleo Diet and Progressive Multiple Sclerosis

NCT01915433
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Wahls Paleo Plus, Wahls Diet
Other
Lead sponsor
Terry L. Wahls
Other
Eligibility
30 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional

A Simple Dietary Message to Improve Dietary Quality for Metabolic Syndrome

NCT00911885
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Dietary Intervention
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 2, 2026, 5:26 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Strong Families Start at Home/Familias Fuertes Comienzan en Casa

NCT06099288
View directory record Official record
Conditions
Metabolic Syndrome, Protection Against, Diet, Healthy
Interventions
Home-Based Video and Motivational Interviewing Intervention, Read Educate and Develop Youth (READY) Comparison
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Meal-based Comparison of Protein Quality, Complementary Proteins and Muscle Anabolism

NCT03816579
View directory record Official record
Conditions
Protein, Diet, Skeletal Muscle
Interventions
PRO-A, PRO-B, PRO-C
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
45 Years to 60 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Sep 2, 2026, 5:26 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Food Messaging Experiment

NCT07768462
View directory record Official record
Conditions
Diet Quality, Young Adult Health, Communication
Interventions
Lying about unhealthy foods being healthy, Engineering foods to be addictive, Targeting groups, Piggybacking on social causes, Covering up the evidence about the harms of unhealthy foods, Control
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 29 Years
Enrollment
645 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Completed Not applicable Interventional

Effect of Gluten-Free Dietary Education and Intraneural Facilitation® Therapy on Quality of Life in People With Diabetic Neuropathy

NCT05165368
View directory record Official record
Conditions
Diabetic Neuropathy, Distal Symmetric Polyneuropathy (Manifestation)
Interventions
Intraneural Facilitation® Therapy (INF® Therapy), INF® Therapy
Other
Lead sponsor
Loma Linda University
Other
Eligibility
50 Years to 75 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Sep 2, 2026, 5:26 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Measurement and Determinants of Diet Quality in Older Adults

NCT07780708
View directory record Official record
Conditions
None Volunteer
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 2, 2026, 5:26 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Methylation Diet and Lifestyle Study

NCT03472820
View directory record Official record
Conditions
Lifestyle, Diet, Healthy
Interventions
Diet Recommendations, Lifestyle Recommendations, Exercise Recommendations, Stress Management Recommendations, PhytoGanix (tropical fruit flavor), UltraFlora Intensive Care
Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
50 Years to 72 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Sep 2, 2026, 5:26 PM EDT