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Showing 1–24 of 176 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet Quality Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Protein-Prebiotic Wellbeing Study

NCT05303753
View directory record Official record
Conditions
Digestive Health, Quality of Life
Interventions
fermented dairy protein with prebiotic fiber
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 35 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Biobehavioral Impact of Diet Quality on Affect and Craving

NCT04105712
View directory record Official record
Conditions
Food Addiction, Withdrawal
Interventions
Dietary Change (low in highly processed foods)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
25 Years to 40 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of SNAP-Ed Among Bhutanese Adults Residing in New Hampshire

NCT06445452
View directory record Official record
Conditions
Supplemental Nutrition Assistance Program Education, Bhutanese Refugee Adults
Interventions
Direct SNAP-Ed
Behavioral
Lead sponsor
University of New Hampshire
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Manchester, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Jun 10, 2026, 10:16 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Hummus for Health: Dietary Quality and Health Outcomes in Toddlers

NCT02696278
View directory record Official record
Conditions
Obesity
Interventions
Lesson about vegetables, Vegetables, Hummus
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
12 Months to 24 Months
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2017 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy of a Postbiotic Supplement on Menopausal Symptoms in Premenopausal Women

NCT07570043
View directory record Official record
Conditions
Perimenopause, Menopausal Symptoms, Menopause-Related Quality of Life, Microbiome
Interventions
Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Able Biolabs, LLC
Other
Eligibility
35 Years to 55 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fruit and Vegetable Rx (FVRx) + Home Plate

NCT04986046
View directory record Official record
Conditions
Food Insecurity
Interventions
Home Plate Lite, Home Plate, Fruit and Vegetable prescription
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Years to 5 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2025 · Synced Jun 10, 2026, 10:16 PM EDT
Active, not recruiting Not applicable Interventional

Telehealth for the Self-Management of Dietary Quality of Life in Patients After Stomach Cancer Surgery

NCT05203627
View directory record Official record
Conditions
Gastric Carcinoma, Gastroesophageal Junction Adenocarcinoma
Interventions
Best Practice, Questionnaire Administration, Telemedicine Visit
Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
21 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Personalized Dietary Program and Markers of Wellness

NCT03424395
View directory record Official record
Conditions
Healthy, Metabolism
Interventions
Personalized dietary and wellness program
Other
Lead sponsor
Habit, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 24, 2019 · Synced Jun 10, 2026, 10:16 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Promoting Physical Activity and Healthy Eating in Latinas

NCT06979297
View directory record Official record
Conditions
Physical Inactivty, Physical Activity, Diet Quality
Interventions
Web-based physical activity and diet intervention, Wait-list control arm
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 2, 2025 · Synced Jun 10, 2026, 10:16 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 Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food as Medicine: Evaluating the Impact of Home-delivered Vegetables and Whole Grains on Diet of Food-insecure Families

NCT04639687
View directory record Official record
Conditions
Food Insecurity, Nutrition Poor
Interventions
Food as Medicine Delivery
Behavioral
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
10 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced Jun 10, 2026, 10:16 PM EDT
Not yet recruiting Not applicable Interventional

Marine Lipids Ease Painful TMD

NCT07437313
View directory record Official record
Conditions
Temporomandibular Disorder (TMD)
Interventions
SPM Precursor-Enriched Marine Lipid Supplement, Medium-Chain Triglyceride Supplement
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast Consumption in Preschoolers: Satiety, Diet Quality and Memory

NCT02122224
View directory record Official record
Conditions
Lack of Satiety, Dietary Modification, Memory Deficits, Obesity
Interventions
High fiber breakfast, High Protein Breakfast, High Protein/High Fiber Breakfast
Other
Lead sponsor
Purdue University
Other
Eligibility
4 Years to 5 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Jun 10, 2026, 10:16 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 Jun 10, 2026, 10:16 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Family-Based Meal Timing for Cancer Prevention Among Native Hawaiian and Other Pacific Islanders: FAMTIME

NCT07262593
View directory record Official record
Conditions
Cancer Prevention
Interventions
Time Restricted Eating (TRE), Medically Tailored Meals (MTM)
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Jun 10, 2026, 10:16 PM EDT
Active, not recruiting Not applicable Interventional

Functional Outcomes From Diets in Multiple Sclerosis

NCT05327322
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis, Secondary Progressive Multiple Sclerosis
Interventions
Glycemic load, Calorie restriction, Behavioral support
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Birmingham, Alabama • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jun 10, 2026, 10:16 PM EDT
Recruiting No phase listed Observational

Nutritional Impacts of Palynziq on Patients With Phenylketonuria (PKU)

NCT04404530
View directory record Official record
Conditions
Phenylketonurias
Interventions
Palynziq
Drug
Lead sponsor
Emory University
Other
Eligibility
16 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Grocery Assistance Program Study

NCT02643576
View directory record Official record
Conditions
Food Assistance
Interventions
F&V Bonus, Restriction, Bonus & Restriction
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Phase 2 Interventional

Exercise and Dietary Counseling in Improving Physical Activity, Nutrition, and Quality of Life in Older Long-Term Cancer Survivors Who Are Overweight

NCT00303875
View directory record Official record
Conditions
Breast Cancer, Colorectal Cancer, Prostate Cancer
Interventions
behavioral dietary and exercise intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
65 Years to 120 Years
Enrollment
641 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cancer Dietary Objectives Study

NCT00561977
View directory record Official record
Conditions
Cancer, Heart Disease
Interventions
High Fiber Diet, low saturated fat diet, Combination diet
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Jun 10, 2026, 10:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Dietary Supplement on Markers of Glucose Control and Quality of Life

NCT05573607
View directory record Official record
Conditions
Blood Glucose
Interventions
Placebo, Chromium
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Jun 10, 2026, 10:16 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 Jun 10, 2026, 10:16 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 Jun 10, 2026, 10:16 PM EDT
Terminated Not applicable Interventional

Betaquik as an Adjunct to Dietary Management of Epilepsy in Adults on the Modified Atkins Diet

NCT03790436
View directory record Official record
Conditions
Epilepsy, Epilepsy Intractable, Seizures, Seizure Disorder, Ketogenic Dieting, Ketosis
Interventions
Betaquik
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Jun 10, 2026, 10:16 PM EDT