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Showing 1–24 of 1,157 matching trials from the live ClinicalTrials.gov search.
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Grape Powder on Psychological Distress and Gut Microbiota in College Students

NCT07214428
Conditions
Gut Microbiota, Psychological Distress
Interventions
freeze-dried table grape powder, Placebo
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 30 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Brunswick, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers

The Microbiome and Resilience to Sleep and Circadian Disruption

NCT03747367
Conditions
Sleep Deprivation, Circadian Dysregulation, Stress
Interventions
Insufficient Sleep, Prebiotic, Placebo
Behavioral · Dietary Supplement
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 45 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boulder, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

One Week Clinical Study in Subjects With Menopausal Symptoms

NCT06794021
Conditions
Healthy, Menopause
Interventions
Dietary Supplement with Proprietary Herbal Extract Blend and GABA, Placebo
Dietary Supplement · Other
Lead sponsor
Olly, PBC
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Collagen Vitamin C Dose Response Performance

NCT03293004
Conditions
Healthy Volunteers
Interventions
Hydrolyzed collagen, Vitamin C, Optimized Hydrolyzed Collagen and Vitamin C, Gummy Placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional

L-carnosine for Schizophrenia

NCT00177177
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
Completed Not applicable Interventional Results available

Nutritional Therapy Interventions in Heart Failure

NCT03424265
Conditions
Heart Failure NYHA Class II
Interventions
EAA mixture, Placebo (whey protein)
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
60 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Impact of Artichoke Leaf Extract on Blood Cholesterol: Primary Study

NCT02270164
Conditions
Lipid Metabolism Disorders
Interventions
Artichoke Leaf Extract, Placebo
Dietary Supplement · Other
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Jackson, Mississippi
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Mixhers HERTIME Supplements on Menstrual Symptoms

NCT06136104
Conditions
Healthy, Premenstrual Dysphoric Disorder, Premenstrual Syndrome
Interventions
Mixhers HERTIME, Placebo
Dietary Supplement
Lead sponsor
Midwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Glendale, Arizona
Conditions
Mild Cognitive Impairment
Interventions
BBH-1001 Brain Health Supplement, Lifestyle Intervention, Brain Health Placebo
Dietary Supplement · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
55 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Iron Deficiency, Restless Leg Syndrome
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
5 Years to 18 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Saint Paul, Minnesota
Terminated Phase 3 Interventional Results available

NET-PD LS-1 Creatine in Parkinson's Disease

NCT00449865
Conditions
Parkinson's Disease
Interventions
creatine, placebo
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
1,741 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
48
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 40 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Beetroot Juice and Sleep

NCT05864521
Conditions
Healthy
Interventions
Active Beetroot Juice Supplement (aBRJ), Placebo Beetroot Juice Supplement (pBRJ)
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Asthma
Interventions
MCT, Clazakizumab, Broncho-Vaxom, Imatinib Mesylate, Cavosonstat, Placebo
Drug · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years and older
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
29
States / cities
Scottsdale, Arizona • Tucson, Arizona • Sacramento, California + 17 more
Conditions
Congenital Heart Disease (CHD)
Interventions
2 mL SunButyrate-TG, Placebo, 4 mL SunButyrate-TG
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
1 Month to 3 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Omaha, Nebraska
Completed Not applicable Interventional

Vitamin D for Chronic Sinusitis

NCT01007799
Conditions
Chronic Sinusitis
Interventions
vitamin D placebo, Vitamin D
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Angelica Gigas Dietary Supplements and Human Immune Cells

NCT03630328
Conditions
Innate Immune Cells
Interventions
Cogni.Q, Placebo
Dietary Supplement · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 65 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Hershey, Pennsylvania
Conditions
Postnatal Care
Interventions
Perelel Mom Multi, Placebo
Dietary Supplement
Lead sponsor
Perelel Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Athens, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

Effect of "Nicotinamide Mononucleotide" (NMN) on Cardiometabolic Function

NCT03151239
Conditions
Glucose Metabolism Disorders
Interventions
NMN supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 2 Interventional Results available

Nitrites, Exercise, and Peripheral Arterial Disease

NCT01684930
Conditions
Peripheral Arterial Disease
Interventions
Beetroot Juice (Beet-It Stamina Shot) & Supervised Exercise Training, Placebo Comparator Beverage (Beet-It Stamina Shot) & Exercise Training
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
40 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Hot Flashes
Interventions
400mg Magnesium Glycinate BID, Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
25 Years to 85 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Rheumatoid Arthritis
Interventions
Protein, Carbohydrate (Placebo), Resistance Exercise Program
Dietary Supplement · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years to 95 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Gastrointestinal Health, Immune Health, Digestive Health
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
BIO-CAT Microbials, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Addison, Illinois
Not listed Not applicable Interventional

Immunonutrition in Ulcerative Colitis

NCT03594708
Conditions
Ulcerative Colitis
Interventions
Nutrition supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Baptist Memorial Health Care Corporation
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Memphis, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Patterns After Administration of MCFAs in Psoriasis and Psoriatic Arthritis

NCT03409211
Conditions
Psoriasis, Psoriatic Arthritis
Interventions
PEVCO, Dietary Supplement Capsules without Coconut Oil
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York