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ClinicalTrials.gov public records Last synced May 22, 2026, 4:29 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polyphenols Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cognitive Performance, Memory, Mood, Anxiety
Interventions
Muscadine Wine Polyphenol, Placebo
Other
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Low Education, Cognition, Cognitive Training, Polyphenols
Interventions
Speed of processing training, MIND foods, Cognitive training control, Control foods
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
60 Years and older
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced May 22, 2026, 4:29 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
COVID-19
Interventions
Resveratrol, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
Marvin McCreary, MD
Other
Eligibility
45 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Endothelial Dysfunction, Aging
Interventions
Aronia full spectrum - half dose, Aronia full spectrum - full dose, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced May 22, 2026, 4:29 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Oxidative Stress
Interventions
Angel's plant (Angelica keiskei)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
60 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced May 22, 2026, 4:29 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Diabetes, Cardiovascular Diseases, Prediabetes
Interventions
Apple, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced May 22, 2026, 4:29 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Diabetes
Interventions
Cocoa
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2015 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy Adults
Interventions
Blueberries, Blueberries and Whey Protein, Blueberries and Pea Protein, Blueberries and Hemp Protein
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypercholesterolemia, Glycemic Response
Interventions
Active Treatment Beverage, Placebo Treatment Beverage
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
40 Years to 69 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Healthy
Interventions
Pomegranate Juice, Soybean Flour Protein, Soy Isolate Protein
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Type II Diabetes Mellitus
Interventions
Spice polyphenols
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
35 Years to 70 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2014 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Flavanol- and procyanidins-containing drink, Procyanidins-containing drink, Flavanol-containing drink
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Flavanols-capsules, Flavanol-banana blend, Flavanol-high protein drink, Flavanol-berry blend, Flavanol-sports drink, Flavanol-peanut butter toast, Flavanol-oats, Flavanol-yogurt, II- Flavanol drink, II- Flavanol drink + banana blend
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 60 Years · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced May 22, 2026, 4:29 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Muscle Soreness
Interventions
Tart Cherry, Placebo Oral Capsule [CEBOCAP]
Dietary Supplement · Other
Lead sponsor
Jacksonville University
Other
Eligibility
21 Years to 45 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 29, 2018 · Synced May 22, 2026, 4:29 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Recurrent Prostate Cancer, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer, Stage III Prostate Cancer, Stage IV Prostate Cancer
Interventions
green tea extract, quercetin, placebo, therapeutic conventional surgery, laboratory biomarker analysis
Dietary Supplement · Drug · Other + 1 more
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced May 22, 2026, 4:29 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Food Acceptance, Metabolic Health, Immune Cells Activity, Microbiome Composition
Interventions
Whey protein bar, Pea protein bar, Pea protein with complexed polyphenols bar, Pea protein with free polyphenols bar
Other
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years to 64 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Mechanisms, Defense
Interventions
GP-SPI
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 35 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced May 22, 2026, 4:29 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Metabolic Disease, Inflammation, Microbial Colonization
Interventions
Haskap berry smoothie, Placebo comparator
Dietary Supplement
Lead sponsor
Montana State University
Other
Eligibility
35 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced May 22, 2026, 4:29 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Microbial Colonization, Metabolic Disease, Digestion
Interventions
Haskap
Dietary Supplement
Lead sponsor
Montana State University
Other
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced May 22, 2026, 4:29 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Prostate Cancer
Interventions
walnuts, usual diet, phone counseling with dietitian
Other
Lead sponsor
Stephen Freedland
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Healthy
Interventions
Wild blueberry containing foods, Placebo containing foods
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
11 Years to 12 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Overweight, Healthy
Interventions
Before meal, With Meal, After meal
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced May 22, 2026, 4:29 AM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Emphysema, Chronic Bronchitis With Airway Obstruction
Interventions
Quercetin 1000 mg, Quercetin 500 MG, Placebo
Drug
Lead sponsor
Temple University
Other
Eligibility
40 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2024 · Synced May 22, 2026, 4:29 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prediabetes
Interventions
Cocoa, Placebo
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced May 22, 2026, 4:29 AM EDT