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ClinicalTrials.gov public records Last synced Jun 26, 2026, 5:38 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Antioxidants Clear all
Completed Not applicable Interventional Accepts healthy volunteers

MitoQ & Cardiopulmonary Responses During Exercise

NCT06069245
View directory record Official record
Conditions
Healthy
Interventions
MitoQ, Placebo
Dietary Supplement
Lead sponsor
Ball State University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Muncie, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Jun 26, 2026, 5:38 PM EDT
Terminated Not applicable Interventional Results available

The Effect of High Antioxidant Cacao on Behaviors in Children With Autism Spectrum Disorder

NCT03195465
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Dark Chocolate
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
4 Years to 18 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2021 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Results available

Impacts of Mitochondrial-targeted Antioxidant on Peripheral Artery Disease Patients

NCT03506633
View directory record Official record
Conditions
Peripheral Arterial Disease, Peripheral Artery Disease
Interventions
MitoQ
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Long-term Effects of Oceanix™ on Resistance Training Adaptations

NCT04136821
View directory record Official record
Conditions
Oxidative Stress, Muscle Strength, Resistance Training, Body Composition, Muscle Damage
Interventions
Oceanix, Resistance Training
Dietary Supplement · Other
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Jun 26, 2026, 5:38 PM EDT
Terminated Phase 1 Interventional

Safety and Efficacy of Anti-Oxidants and Anti-inflammatory Agents in Glaucoma and Diabetic Retinopathy

NCT02984813
View directory record Official record
Conditions
Open-angle Glaucoma, Diabetic Retinopathy
Interventions
GlaucoHealth, GlaucoSelect, Placebo
Drug
Lead sponsor
The New York Eye & Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Results available

Effects of the Dietary Approaches to Stop Hypertension(DASH) Sodium-restricted Diet in Diastolic Heart Failure

NCT00939640
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease
Interventions
DASH/sodium-restricted diet (SRD)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Jun 26, 2026, 5:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The Effects of Vitamin E and Vitamin C and Exercise

NCT01369043
View directory record Official record
Conditions
Exercise and Non-exercise Effect Upon Vitamins E and C
Interventions
Vitamin E and Vitamin C
Dietary Supplement
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
30 Years to 50 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Mar 8, 2015 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 2 Interventional Results available

Males, Antioxidants, and Infertility Trial

NCT02421887
View directory record Official record
Conditions
Male Infertility
Interventions
Antioxidant Supplement, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Male only
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Sunnyvale, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2019 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 2 Interventional Results available

Trial of Nicotinamide Riboside and Co-enzyme Q10 in Chronic Kidney Disease

NCT03579693
View directory record Official record
Conditions
Chronic Kidney Disease, Sarcopenia, Frailty
Interventions
CoQ10, Nicotinamide riboside, Placebo
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
30 Years to 79 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 9, 2023 · Synced Jun 26, 2026, 5:38 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

COQ10 and Vitamin E for Off-Target Radiation Toxicity

NCT07668284
View directory record Official record
Conditions
Prostate Cancer, Uterine Cancer, Cervical Cancer, Anal Cancer
Interventions
Coenzyme Q10 Cap/Tab, Vitamin E Cap/Tab
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Broccoli Sprout Extract on Allergy Rhinitis

NCT02885025
View directory record Official record
Conditions
Rhinitis,Allergic
Interventions
Broccoli Sprout Extract, fluticasone nasal, broccoli sprout extract placebo, normal saline nasal spray
Dietary Supplement · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Enhancing Treatment of Iron Deficiency and Iron Deficiency Anemia With an Antioxidant, Vitamin E

NCT01700426
View directory record Official record
Conditions
Iron Deficiency, Iron Deficiency Anemia
Interventions
Vitamin E, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Months to 2 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 26, 2014 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Walnuts on Antioxidant Capacity and Nutritional Status in Humans

NCT00626691
View directory record Official record
Conditions
Healthy
Interventions
Walnut consumption
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 18, 2009 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 1 Interventional

Low Antioxidant Diet in Controlling Cachexia in Patients With Oropharyngeal Cancer Receiving Chemotherapy and Radiation Therapy

NCT00486304
View directory record Official record
Conditions
Cachexia, Head and Neck Cancer, Weight Changes
Interventions
ADD, Placebo
Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2012 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Antioxidant Therapy With N-acetylcysteine for Children With Neurofibromatosis Type 1

NCT04481048
View directory record Official record
Conditions
Neurofibromatosis 1
Interventions
N-Acetyl cysteine, Placebo
Drug · Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
8 Years to 16 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Obesity, Inflammation and Oxidative Stress

NCT01028976
View directory record Official record
Conditions
C-reactive Protein, Inflammation, Obesity, Oxidative Stress
Interventions
Vitamin C (ascorbic acid), Placebo tablet
Dietary Supplement
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers

NCT00565214
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Group 1, Group 2
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Jun 26, 2026, 5:38 PM EDT
Completed No phase listed Observational

Early Pregnancy Antioxidant Supplementation in the Prevention of Preeclampsia

NCT00583635
View directory record Official record
Conditions
Preeclampsia, Pregnancy Loss
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
684 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Practicality of Intermittent Fasting and Its Effect on Markers of Aging and Oxidative Stress

NCT02132091
View directory record Official record
Conditions
Aging, Metabolism
Interventions
Intermittent Fasting, 400 IU Vitamin E, 1000 mg Vitamin C
Other · Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
19 Years to 30 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Xoçai Antioxidant Supplements on Atherosclerosis Risk Factors

NCT00666250
View directory record Official record
Conditions
Hypertension, Dyslipidemia, Hyperglycemia
Interventions
Xocai Activ drink
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 95 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 7, 2016 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Results available

Nutrition and Aerobic Exercise in Chronic Stroke

NCT02043574
View directory record Official record
Conditions
Stroke
Interventions
Treadmill Exercise, Stretching (control)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Jun 26, 2026, 5:38 PM EDT
Withdrawn Phase 2 Interventional

Study of High Dose Intravenous (IV) Ascorbic Acid in Measurable Solid Tumor Disease

NCT01125449
View directory record Official record
Conditions
Sarcoma, Adenocarcinoma, Carcinoma, Multiple Myeloma, Desmoplastic Small Round Cell Tumor
Interventions
Ascorbic acid (vitamin C)
Drug
Lead sponsor
Situs Cancer Research Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Rogers, Arkansas
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Phase 1Phase 2 Interventional

Safety and Efficacy of an Antioxidant-rich Multivitamin Supplement in Cystic Fibrosis

NCT01018303
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
AquADEK
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years to 40 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Jun 26, 2026, 5:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Milk Intervention Study for Brain Aging

NCT02957422
View directory record Official record
Conditions
Brain Aging
Interventions
1% Milk, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
60 Years to 89 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Jun 26, 2026, 5:38 PM EDT