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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:23 PM EDT

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Showing 1–24 of 193 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Quality Clear all
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 6, 2026 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alternative Dietary Approaches Online to Promote Tracking

NCT05049005
View directory record Official record
Conditions
Diet Quality, Weight Loss
Interventions
Simplified dietary tracking
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 22, 2026, 4:23 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of an Evening Snack of Walnuts on Diet and Sleep Quality in Adolescents

NCT07862556
View directory record Official record
Conditions
Diet Quality, Sleep
Interventions
Walnuts, Control (usual diet)
Other
Lead sponsor
Penn State University
Other
Eligibility
13 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The UnProcessed Pantry Project (UP3)

NCT04241133
View directory record Official record
Conditions
Diet, Healthy, Diet Habit, Disease, Chronic, Health Behavior, Rural Health
Interventions
The UnProcessed Pantry Project (UP3)
Behavioral
Lead sponsor
Montana State University
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Oct 22, 2026, 4:23 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Comparison of Four Qualia Sleep Formulations on Sleep Quality : An Open-label 4-arm Pilot Study

NCT07744971
View directory record Official record
Conditions
Sleep Quality
Interventions
Qualia Sleep Formula A, Qualia Sleep Formula B, Qualia Sleep Formula C, Qualia Sleep Formula D
Dietary Supplement
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional

Helping Educate and Advance Learning Through Healthy Bite-Sized Eating Strategies

NCT06082830
View directory record Official record
Conditions
Adolescent Obesity, Adolescent Overweight, Diet, Healthy
Interventions
Intervention
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
14 Years to 17 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

IgG-mediated Food Test for Weight Loss

NCT01592071
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Replace reactive foods with non-reactive foods
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 31, 2014 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nourish: A Digital Health Program to Promote the DASH Eating Plan Among Adults With High Blood Pressure

NCT03875768
View directory record Official record
Conditions
Hypertension, Health Behavior
Interventions
Tracking plus coaching
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 16, 2024 · Synced Oct 22, 2026, 4:23 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Dietary Guidelines 3 Diet Patterns Study (DG3D): Phase 2

NCT05254496
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
Dietary Intervention Classes
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
198 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2026 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Whole Foods Supplementation on Cognition

NCT01672359
View directory record Official record
Conditions
Sub-optimal Cognitive Function, Sub-optimal Immune Function
Interventions
Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
60 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Availability of Berry Phytonutrients Post-consumption of Fresh and Processed Blueberry by Healthy Adults

NCT04175106
View directory record Official record
Conditions
Healthy
Interventions
a non-traditional (i.e., not typically available in the supermarket) blueberry cultivar bred using natural plant breeding techniques and established as having enhanced nutritive value, a standard commercially available blueberry variety (i.e., cultivar), a "minimally processed" blueberry-rich protein bar, a control beverage of matched-nutritive content
Other
Lead sponsor
North Carolina State University
Other
Eligibility
25 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional

Walnut Ingestion in Adults at Risk for Diabetes: Effects on Body Composition, Diet Quality, and Cardiac Risk Measures

NCT02330848
View directory record Official record
Conditions
Diabetes
Interventions
Walnut Ad libitum diet, Walnut Calorie controlled
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Phase 2Phase 3 Interventional

Addressing Quality of Life, Clinical Outcomes, and Mechanisms in Uncontrolled Asthma Following the DASH Dietary Pattern

NCT05251402
View directory record Official record
Conditions
Asthma
Interventions
Group A - Patient Education, Group B - Patient Education with Nutrition Counseling
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Food Incentives to Improve Diet Quality and Health Among Adults

NCT03748056
View directory record Official record
Conditions
Diet Modification, Diet Habit
Interventions
Targeted incentives, Nominal loyalty card discount and nutrition education
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 1, 2021 · Synced Oct 22, 2026, 4:23 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Skin Hydration in Persons With Acne After Dietary Supplementation With Botanical Antioxidants

NCT04534140
View directory record Official record
Conditions
Acne Vulgaris, Acne
Interventions
HBKB Capsule, HBKB Supplement Vehicle
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Oct 22, 2026, 4:23 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pistachio Snacking and Metabolic Flexibility

NCT07340125
View directory record Official record
Conditions
Overweight (BMI > 25), Obese But Otherwise Healthy Participants, Overweight or Obese, Obese Patients (BMI ≥ 30 kg/m²), Poor Sleep Quality, Healthy Participants, Physically Inactive
Interventions
Pistachio
Other
Lead sponsor
University of South Carolina
Other
Eligibility
25 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 22, 2026, 4:23 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 24, 2017 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Dietary Supplement Containing Salacia Extract, Citrus Bioflavonoids, and Trivalent Chromium on Markers of Glucose Control

NCT05887050
View directory record Official record
Conditions
Glucose Intolerance
Interventions
Active, Placebo
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 Jun 5, 2023 · Synced Oct 22, 2026, 4:23 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 Aug 19, 2026 · Synced Oct 22, 2026, 4:23 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 13, 2023 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study of the Effect of a Calcium-rich Diet on Bone Health in Girls

NCT01058109
View directory record Official record
Conditions
Bone Health
Interventions
Calcium rich diet
Other
Lead sponsor
Creighton University
Other
Eligibility
9 Years to 9 Years · Female only
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2008
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 28, 2016 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Potential Effects of Inofolic Plus on Abnormal Ovarian Reserve Parameters in Subfertile Women

NCT01290432
View directory record Official record
Conditions
Infertility, Female
Interventions
Inofolic Plus
Dietary Supplement
Lead sponsor
Palm Beach Center for Reproductive Medicine
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Wellington, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2012 · Synced Oct 22, 2026, 4:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet and Sleep Monitoring

NCT03257137
View directory record Official record
Conditions
Sleep, Diet Modification
Interventions
Diet Quality
Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 22, 2022 · Synced Oct 22, 2026, 4:23 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 Jun 1, 2026 · Synced Oct 22, 2026, 4:23 PM EDT