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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Acquiring and Targeting Heat Exposures Necessary for Action

NCT05678738
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
Completed Not applicable Interventional Results available

The Effects of an Antioxidant Formulation on Ocular Blood Flow

NCT01930487
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
Conditions
Healthy Aging, Inflammaging, Metabolic Health, Quercetin, Coenzyme Q10
Interventions
Quercetin (dietary supplement), Coenzyme Q10, Rice Flour
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
50 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Guided Metabolic Detox Program

NCT06061289
Conditions
Detoxification Response
Interventions
SP Detox Program
Dietary Supplement
Lead sponsor
Standard Process Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Bloomington, Minnesota
Conditions
Schizophrenia
Interventions
Olanzapine, Omega 3, Vitamin E+C
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Augusta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

Peanuts and Neurocognitive / Cardiovascular Health in Black Individuals

NCT06318377
Conditions
Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
Interventions
Peanut group
Dietary Supplement
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Arlington, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Blueberry Intervention Study for Brain Aging

NCT05024916
Conditions
Brain Aging
Interventions
Intervention, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Metabolic Syndrome
Interventions
Couscous plus fiber, Grape seed extract, Bean Soup
Other · Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Davis, California
Conditions
Metabolic Disease, Obesity, Exercise
Interventions
Sodium Nitrate, Beetroot Juice no Nitrate, Beetroot Juice
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Acute Kidney Injury
Interventions
Basis, Placebo
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Ultra-processed Food Consumption, Gut Microbiota, and Glucose Homeostasis

NCT05358171
Conditions
Insulin Sensitivity, 24-hour Glucose Control
Interventions
HIgh UPF controlled diet, No UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Combined Antioxidant and Preeclampsia Prediction Studies (CAPPS)

NCT00135707
Conditions
Preeclampsia
Interventions
Dietary Supplement/Vitamins, Placebo for Vitamin C and Vitamin E
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
10,154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
16
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 13 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Young Adult Eating Habits

NCT05550818
Conditions
Eating Behavior, Eating Habit
Interventions
High Ultra Processed Food Diet, No Ultra Processed Food Diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 25 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Blacksburg, Virginia • Roanoke, Virginia
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Xoçai Antioxidant Supplements on Atherosclerosis Risk Factors

NCT00666250
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
Completed No phase listed Observational Accepts healthy volunteers

Lifestyle and Fertility Study on Antioxidant Status, Diet and Early Pregnancy

NCT00642590
Conditions
Infertility, Pregnancy, Fertility, Nutrition, Life Style
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 39 Years
Enrollment
266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2020
U.S. locations
2
States / cities
Concord, New Hampshire • University Park, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

RCT of an Oral Acne Supplement for Adult Women

NCT06097871
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
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study

NCT03617302
Conditions
Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
Interventions
Experimental: Nitrate-containing, Placebo: Nitrate-depleted
Drug
Lead sponsor
Gary L. Pierce, PhD
Other
Eligibility
50 Years to 79 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Healthy
Interventions
AMATEA™, Caffeine, Placebo
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 40 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Metabolic Syndrome
Interventions
Dietary Antioxidant (V8® Low Sodium 100% vegetable juice), Control group
Other
Lead sponsor
Martha Biddle
Other
Eligibility
21 Years to 90 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Chronic Hepatitis C, Oxidative Stress
Interventions
silymarin, green tea extract (EGCG)
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
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
Conditions
Health Behavior
Interventions
Food-based intervention; increased fruits and vegetables
Other
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Smith-Lemli-Opitz Syndrome, Cone-Rod Dystrophy, Hearing Loss
Interventions
Antioxidants, Cholesterol
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Asthma
Interventions
Vitamin
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina