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ClinicalTrials.gov public records Last synced Oct 6, 2026, 4:17 PM EDT

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Showing 25–48 of 51 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: dietary supplement with antioxidants Clear all
Completed Not applicable Interventional Results available

The Effects of an Antioxidant Formulation on Ocular Blood Flow

NCT01930487
View directory record Official record
Conditions
Primary Open Angle Glaucoma
Interventions
dietary supplement with antioxidants, Placebo
Dietary Supplement
Lead sponsor
ScienceBased Health
Industry
Eligibility
30 Years to 70 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acquiring and Targeting Heat Exposures Necessary for Action

NCT05678738
View directory record Official record
Conditions
Heat Intolerance, Heat Stress, Fatigue; Heat
Interventions
Antioxidant Berry Supplementation, Acute and Chronic Exercise-Heat Stress, Placebo (non-juice) Supplementation
Dietary Supplement · Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of an Oral Acne Supplement for Adult Women

NCT06097871
View directory record Official record
Conditions
Acne
Interventions
Skin Nutraceutical Supplement, Placebo pill
Dietary Supplement · Other
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fish Oil and Alpha Lipoic Acid in Treating Alzheimer's Disease

NCT00090402
View directory record Official record
Conditions
Alzheimer's Disease, Oxidative Stress, Dementia, Hyperlipidemia, Inflammation
Interventions
Fish Oil, Lipoic Acid, Fish Oil Placebo, Lipoic Acid Placebo
Dietary Supplement · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 6, 2026, 4:17 PM EDT
Recruiting Phase 2Phase 3 Interventional

MitoQ for Early-phase Schizophrenia-spectrum Disorder and Mitochondrial Dysfunction

NCT06191965
View directory record Official record
Conditions
Schizophrenia and Related Disorders, Mitochondrial Alteration, Cognitive Impairment
Interventions
MitoQ, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Oct 6, 2026, 4:17 PM EDT
Terminated Phase 3 Interventional

Early Versus Delayed Enteral Feeding and Omega-3 Fatty Acid/Antioxidant Supplementation for Treating People With Acute Lung Injury or Acute Respiratory Distress Syndrome (The EDEN-Omega Study)

NCT00609180
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult
Interventions
Minimal (Trophic) Feeding, Full Feeding, Omega-3 Fatty Acids and Antioxidant Supplements, Placebo
Behavioral · Dietary Supplement
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
13 Years and older
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
41
States / cities
Fresno, California • Sacramento, California • San Francisco, California + 20 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Oct 6, 2026, 4:17 PM EDT
Not listed Phase 2 Interventional

The Synergy Trial: Methylphenidate Plus a CFS-Specific Nutrient Formula as a Treatment for Chronic Fatigue Syndrome

NCT01966276
View directory record Official record
Conditions
Chronic Fatigue Syndrome (CFS), Myalgic Encephalomyelitis (ME)
Interventions
Methyl-P plus Nutrient Formula, Methyl-P plus Nutrient matched placebos
Drug
Lead sponsor
K-PAX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Stanford, California • Fort Lauderdale, Florida • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 6, 2026, 4:17 PM EDT
Not listed Phase 2 Interventional

Multimodal Investigation of the Neuroprotective Effects of Resveratrol (MINER)

NCT03665740
View directory record Official record
Conditions
Gulf War Illness
Interventions
Resveratrol
Drug
Lead sponsor
VISN 17 Center of Excellence
Federal
Eligibility
44 Years to 68 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutraceutical Supplement With Vegan Botanicals in Females With Self-Perceived Thinning Hair

NCT05332743
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Vegan Women's Hair Supplement
Dietary Supplement
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Manhattan Beach, California • Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional

Feasibility and Acceptability of Powdered Multinutrient Formula

NCT05234593
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
EmpowerPlus Lightning Sticks
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
7 Years to 16 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 4, 2025 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Phase 4 Interventional

Treatment of Cognitive and Negative Symptoms in Schizophrenia With N-acetylcysteine

NCT02505477
View directory record Official record
Conditions
Schizophrenia, Cognitive Deficits, Schizophrenia; Negative Type
Interventions
N-acetylcysteine, Treatment as Usual
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 6, 2026, 4:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Sabroxy® Supplementation on Insulin Resistance and Cognitive Function in Adults With Mild Cognitive Impairment and Insulin Resistance

NCT07220694
View directory record Official record
Conditions
Insulin Resistance, Mild Cognitive Impairment, Cognitive Decline, Neurodegenerative Disorders
Interventions
Sabroxy®, Placebo
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
40 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional

L-carnosine for Schizophrenia

NCT00177177
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
L-carnosine (dietary supplement)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
4
States / cities
Bridgeville, Pennsylvania • DuBois, Pennsylvania • McKeesport, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Early Phase 1 Interventional

Functional Magnetic Resonance Imaging of N-acetylcysteine in Cocaine Dependence

NCT02994875
View directory record Official record
Conditions
Cocaine Dependence
Interventions
N-acetylcysteine, Placebo
Dietary Supplement · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 6, 2026, 4:17 PM EDT
Enrolling by invitation Not applicable Interventional

PET-MRI in Chronic Traumatic Brain Injury (CTBI)

NCT03241732
View directory record Official record
Conditions
Chronic Traumatic Brain Injury
Interventions
Anti-inflammatory Diet, N-acetyl Cysteine, Neuro Emotive Technique
Other · Dietary Supplement · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Villanova, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tolerance and Palatability of 10-day Supplementation With Hemp Oil, Calamari Oil, and Broccoli Extract in Healthy Adults

NCT06081140
View directory record Official record
Conditions
Diet, Healthy
Interventions
Standard Process Hemp Oil Complex
Dietary Supplement
Lead sponsor
Standard Process Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 13, 2023 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional

Skin and Serum Carotenoids in Preterm Infants Fed on a Formula Supplemented With Carotenoids

NCT00872664
View directory record Official record
Conditions
Retinopathy of Prematurity
Interventions
carotenoids
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
Up to 21 Days
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of a Nutraceutical Supplement With Standardized Botanicals in Peri-menopausal and Menopausal Women With Thinning Hair

NCT04048031
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Supplement Capsules, Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2025 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Short Term Effects of Oceanix Supplementation on Recovery

NCT04315077
View directory record Official record
Conditions
Oxidative Stress, Muscle Strength, Resistance Training, Muscle Damage, Immune Suppression
Interventions
Oceanix®, Resistance Training
Dietary Supplement · Other
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 6, 2026, 4:17 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effect of Selenium Intervention on Inflammation in Older Adults

NCT01289925
View directory record Official record
Conditions
Inflammation
Interventions
Selenium, Sugar Pill Placebo
Dietary Supplement · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
70 Years to 110 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 6, 2026, 4:17 PM EDT
Not listed Not applicable Interventional

Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema

NCT03866005
View directory record Official record
Conditions
Center-involved Diabetic Macular Edema (CI-DME)
Interventions
Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
Dietary Supplement · Other
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Olympia, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 2, 2020 · Synced Oct 6, 2026, 4:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Long-term COVID and Rehabilitation

NCT05373043
View directory record Official record
Conditions
Long-COVID
Interventions
Mitoquinone, Placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Short-term Curcumin and Multi-polyphenol Supplementation on the Anti-inflammatory Properties of HDL

NCT02998918
View directory record Official record
Conditions
Inflammation, Atherosclerosis, Cardiovascular Disease
Interventions
PolyResveratrol Supplementation, Curcumin Supplementation
Dietary Supplement
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 6, 2026, 4:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of a Nutraceutical Supplement With Standardized Botanicals in Women With Thinning Hair

NCT03206567
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Supplement capsules, Placebo capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 6, 2026, 4:17 PM EDT