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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 2 Interventional

Study of Bacopa in Gulf War Illness Patients

NCT04927338
View directory record Official record
Conditions
Gulf War Illness
Interventions
BacoMind® (Bacopa monnieri standardized extract), Placebo
Dietary Supplement · Drug
Lead sponsor
Nova Southeastern University
Other
Eligibility
46 Years to 78 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davie, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Blood Flow Restriction With and Without Arginine on Physical Performance and Growth Hormone

NCT04079010
View directory record Official record
Conditions
Blood Flow Restriction, Growth Hormone, Strength Outcomes, Arginine
Interventions
BFR, Arginine, Placebo Pill
Procedure · Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Black Raspberry Phytochemicals on Oral Microbiome in Current Smokers and Non-smokers

NCT02439255
View directory record Official record
Conditions
Healthy Subject, Tobacco Use Disorder
Interventions
Laboratory Biomarker Analysis, Phytochemical, Placebo, Screening Questionnaire Administration
Other · Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 50 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Echinacea Purpurea and Osteopathy in Children With Recurrent Otitis Media

NCT00689468
View directory record Official record
Conditions
Otitis Media
Interventions
Cranial osteopathic manipulative treatment., Echinacea purpurea, Sham osteopathic manipulative treatment, "Echinacea purpurea" placebo
Procedure · Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
12 Months to 60 Months
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
3
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 2, 2008 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acidophilus Pearls Fecal Recovery Study

NCT02001610
View directory record Official record
Conditions
Survival of Probiotics During GI Transit, GI Symptoms
Interventions
Acidophilus pearls, Hard shell gelatin capsules
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Goode Health Beverage on Markers of Physiological and Neurocognitive Health

NCT06245382
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
Interventions
Goode Health Beverage, Vanilla Base Beverage Blend
Dietary Supplement
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 27, 2026, 1:44 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Vitamin D and Omega-3 Hypertension Trial (VITAL Hypertension)

NCT01653678
View directory record Official record
Conditions
Hypertension
Interventions
Vitamin D-3 (cholecalciferol), 2000 IU, Omega-3 fatty acids (fish oil), Vitamin D placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years to 99 Years
Enrollment
25,875 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Plasma Amino Acid Appearance After Adding Bacillus Coagulans GBI-30, 6086 to Milk Protein Concentrate

NCT05313178
View directory record Official record
Conditions
Protein Malabsorption
Interventions
Bacillus Coagulans GBI-30, 6086
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of EPA + DHA in a SMEDS Formulation

NCT03443076
View directory record Official record
Conditions
Bioavailability
Interventions
EPA + DHA in SMEDS Formulation, Lovaza (active comparator; already FDA approved)
Dietary Supplement · Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
Boca Raton, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Corneal Nerves Function and Structure

NCT04222660
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy
Interventions
Blackmores Omega Daily (4 1g capsules per day)
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Green Tea Confections For Managing Postprandial Hyperglycemia-Induced Vascular Endothelial Dysfunction

NCT01857258
View directory record Official record
Conditions
Hyperglycemia, Cardiovascular Disease
Interventions
Green Tea Concentrate
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resveratrol With or Without Piperine to Enhance Plasma Levels of Resveratrol

NCT01324089
View directory record Official record
Conditions
Focus of the Study: Normal Volunteers
Interventions
Resveratrol, Resveratrol 2.5 grams x 1 dose and Piperine 5 mg x 1 dose, Resveratrol 2.5 grams x 1 dose and Piperine 25 mg x 1 dose
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Soy Isoflavones and Breast Cancer Risk Reduction

NCT00204490
View directory record Official record
Conditions
Breast Cancer
Interventions
isoflavones, carbohydrate
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
30 Years to 42 Years · Female only
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Results available

Resveratrol and Vascular Function in CKD

NCT03597568
View directory record Official record
Conditions
Chronic Kidney Diseases, Endothelial Dysfunction
Interventions
Resveratrol, Placebo
Dietary Supplement · Other
Lead sponsor
Diana Jalal
Other
Eligibility
45 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Sep 27, 2026, 1:44 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Efficacy of a Digestive Enzyme Blend

NCT04917913
View directory record Official record
Conditions
Digestive Health, Indigestion, Protein Digestion, Carbohydrate Digestion, Fat Digestion, Satiety
Interventions
Digestive enzyme blend, Placebo
Dietary Supplement
Lead sponsor
Deerland Enzymes
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kennesaw, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Sep 27, 2026, 1:44 AM EDT
Recruiting Phase 2 Interventional

Evaluation of a Keto-Like Supplement on Brain Responses to Emotional Stimuli in Depression

NCT06263660
View directory record Official record
Conditions
Depression
Interventions
Keto-like supplement, Placebo
Dietary Supplement
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Topical Roll-on and Diffuser Blend on Sleep Quality and Sleep Duration

NCT07779382
View directory record Official record
Conditions
Sleep Quality, Sleep Duration, Fatigue, Energy Levels, Overall Health and Well-Being
Interventions
Sleep Well Diffuser Blend followed by Sleep Well Roll-On
Dietary Supplement
Lead sponsor
Saie Beauty
Industry
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Potatoes on Markers of Cardiometabolic Health

NCT03495284
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Cardiovascular Diseases
Interventions
Potato-based side dish, Refined grain-based
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
25 Years to 75 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2023 · Synced Sep 27, 2026, 1:44 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Outpatient Cervical Ripening With Orally Administered Misoprostol in Diabetics

NCT00514618
View directory record Official record
Conditions
Diabetes, Gestational
Interventions
Misoprostol, Placebo
Drug · Dietary Supplement
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 27, 2026, 1:44 AM EDT
Withdrawn Phase 4 Interventional

Pilot E2 for Hypogonadal Women With CFBD

NCT03724955
View directory record Official record
Conditions
Cystic Fibrosis Related Bone Disease
Interventions
Estradiol 2 mg, Placebo
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional

S0812 High Dose Cholecalciferol in Premenopausal Women at High-Risk for Breast Cancer

NCT01097278
View directory record Official record
Conditions
brca1 Mutation Carrier, brca2 Mutation Carrier, Breast Cancer
Interventions
cholecalciferol, placebo
Dietary Supplement · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 50 Years · Female only
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
360
States / cities
Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 230 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

VITAL-DEP: Depression Endpoint Prevention in the VITamin D and OmegA-3 TriaL

NCT01696435
View directory record Official record
Conditions
Depression, Depressive Symptoms, Mood
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Fish oil placebo, Vitamin D placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
18,353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Sep 27, 2026, 1:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Pomegranate on Aging and Inflammation of the Skin

NCT02258776
View directory record Official record
Conditions
Skin Photoaging, Inflammation and Skin Pathogenic Bacteria
Interventions
Pomegranate Extract, Pomegranate Juice, Placebo
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
30 Years to 45 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 27, 2026, 1:44 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Randomized, Triple-blind, Placebo-controlled Study to Evaluate the Effects of a Throat Spray on the Incidence and Duration of Sickness

NCT07246850
View directory record Official record
Conditions
Sore-throat, Common Cold
Interventions
Beekeeper's Propolis Throat Spray, Placebo Throat Spray
Dietary Supplement
Lead sponsor
Beekeeper's Naturals Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Sep 27, 2026, 1:44 AM EDT