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Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Phytochemical Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tanglewood Trail Walking Program in Rural Kentucky 2020

NCT05002985
View directory record Official record
Conditions
Dietary Habits
Interventions
walking group led by a community organizer
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Energy Value of Macronutrients From Almonds and Mechanisms of Nutrient Action

NCT01007188
View directory record Official record
Conditions
Healthy
Interventions
1.5PD almonds, 3.0PD almonds, Base (without almonds)
Other
Lead sponsor
United States Department of Agriculture (USDA)
Federal
Eligibility
25 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 8, 2011 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose Effect of a Plant Extract on Fatigue

NCT03870126
View directory record Official record
Conditions
Mental Energy, Physical Performance
Interventions
Flavored beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 49 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional

Trial of Two Dietary Programs on Cardiometabolic Risk Factors in Subjects With Metabolic Syndrome

NCT01010841
View directory record Official record
Conditions
Metabolic Syndrome, Overweight, Obesity, Hypercholesterolemia
Interventions
UltraMealPlus 360 (Medical food), Low-glycemic-load diet
Dietary Supplement · Other
Lead sponsor
MetaProteomics LLC
Industry
Eligibility
20 Years to 75 Years · Female only
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 11, 2012 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of a Polyphenol-Rich Supplement on Epigenetic and Cellular Markers of Immune Age

NCT05234203
View directory record Official record
Conditions
Immunity Disorders, Aging, Inflammation
Interventions
HTB Rejuvenate
Dietary Supplement
Lead sponsor
Big Bold Health, PBC
Industry
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Bainbridge Island, Washington
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional

BerryCare: A Community Engagement Program

NCT03477305
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
Blackberry Consumption
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Beverly, Kentucky • Harlan, Kentucky • Lexington, Kentucky + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Sep 3, 2026, 6:41 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pharmacokinetic (PK) Study of Phytochemicals in Whole Grains (WGs)- Corn

NCT07767162
View directory record Official record
Conditions
Healthy Adult Females, Healthy Adult Males
Interventions
Whole-Grain Corn, Refined Corn
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Orally Delivered Phytochemicals on Aging and Inflammation in the Skin

NCT03289832
View directory record Official record
Conditions
Healthy Adults
Interventions
Crucera-SGS, Meriva 500-SF
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Sulforaphane as an Antagonist to Human PXR-mediated Drug-drug Interactions

NCT00621309
View directory record Official record
Conditions
Adverse Drug Interactions
Interventions
Rifampicin, sulforaphane plus rifampicin, sulforaphane alone
Drug · Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Results available

Tanglewood Trail Walking Program in Rural Kentucky 2019

NCT05002972
View directory record Official record
Conditions
Dietary Habits
Interventions
walking group led by a community organizer
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 3, 2026, 6:41 AM 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 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability and Pharmacokinetics of Mango

NCT03365739
View directory record Official record
Conditions
Healthy Subjects
Interventions
Active Comparator 1, Active Comparator 2, Control Comparator
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Phytosterol Supplementation and Cardiovascular Risk

NCT00153738
View directory record Official record
Conditions
Hypercholesteremia
Interventions
phytosterol
Drug
Lead sponsor
The Cooper Institute
Other
Eligibility
20 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 12, 2014 · Synced Sep 3, 2026, 6:41 AM EDT
Recruiting Not applicable Interventional

Role of Race in Nutritional Approach in Men on ADT

NCT06682390
View directory record Official record
Conditions
Prostate Cancer Metastatic Disease
Interventions
Hypocaloric anti-inflammatory diet
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 3, 2026, 6:41 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Phytochemicals on "Metabolic Aging" in Older Overweight Adults

NCT04919876
View directory record Official record
Conditions
Mitochondrial Functions
Interventions
fruit/vegetable supplement (FVS), Placebo
Dietary Supplement
Lead sponsor
Biofortis, Merieux NutriSciences
Industry
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Black Raspberry Confection in Preventing Oral Cancer in Healthy Volunteers

NCT01961869
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Fast release BRB confection, Intermed release BRB confection, Prolong release BRB confection
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

LycoRed 40051 Product as a Countermeasure to Exercise Stress

NCT02369666
View directory record Official record
Conditions
Inflammation
Interventions
LycoRed (code 40051) product, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Phytonutrients From Novel Preparations of Broccoli

NCT03773497
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Common Snack Combination, Cheesy Broccoli Snack, Cheesy Broccoli with Daikon Radish Snack, Uncooked Broccoli Snack
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2019 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Flavonoids and Phenolic Acids From Cranberry Juice Cocktail in Healthy Older Adults

NCT00740077
View directory record Official record
Conditions
Healthy
Interventions
Low calorie, sugar-free cranberry juice cocktail (54% juice)
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 8, 2009 · Synced Sep 3, 2026, 6:41 AM EDT
Recruiting Phase 2 Interventional

A Phase 2 Study of the Ketogenic Diet vs Standard Anti-cancer Diet Guidance for Patients With Glioblastoma in Combination With Standard-of-care Treatment

NCT05708352
View directory record Official record
Conditions
Glioblastoma Multiforme
Interventions
Keto Diet, Standard Anti-Cancer Diet
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Santa Monica, California + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Antioxidant Responses to Exercise and Cherry Consumption

NCT03522779
View directory record Official record
Conditions
Dietary Modification
Interventions
Tart cherry Juice, High-fat meal, Exercise
Dietary Supplement · Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Sep 3, 2026, 6:41 AM EDT
Recruiting Phase 1Phase 2 Interventional

Herbal Evaluation Of Artemisia Annua For Small Intestinal Bacterial Overgrowth

NCT06721884
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Interventions
Artemisia Annua Leaf, placebo
Dietary Supplement · Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Phase 4 Interventional Results available

Impact of Plant Sterol Supplement on LDL-C Lowering in Low-to-Moderate Risk South Asian Patients

NCT04030247
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
Plant Sterol
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 3, 2026, 6:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Assessment of Barley and Oat Phytochemicals

NCT01303562
View directory record Official record
Conditions
Healthy
Interventions
Whole grain oats and barley
Other
Lead sponsor
Tufts University
Other
Eligibility
40 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2013 · Synced Sep 3, 2026, 6:41 AM EDT