Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 20, 2026, 12:52 AM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
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Conditions
Gastrointestinal Dysfunction
Interventions
PreforPro+B. subtilis DE111 probiotics, Placebo, B. subtilis DE111
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Prediabetes
Interventions
Inulin, Placebo
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Blacksburg, Virginia
Conditions
Obesity
Interventions
Prebiotic: soluble corn fiber, Placebo: maltodextrin
Dietary Supplement
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Hydrolyzed Collagen and Vitamin C on Explosive Performance

NCT04437758
Conditions
Collagen Synthesis, Rate of Force (RFD) Development
Interventions
Collagen and Vitamin C powder mix nutritional intervention, Maltodextrin placebo powder, Maximum power training exercise
Dietary Supplement · Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 30 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Davis, California
Conditions
Overactive Bladder
Interventions
Dried Cranberry, Placebo Oral Capsule
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Conditions
Clostridium Infections, Methicillin-resistant Staphylococcus Aureus (MRSA), Vancomycin-Resistant Enterococci, Carbapenem-Resistant Enterobacteriaceae, Asymptomatic Infections
Interventions
Resistant Potato Starch, Maltodextrin
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Fermented Soy and Heartburn Symptom Relief

NCT03867591
Conditions
Heartburn, Acid Regurgitation
Interventions
Gastro-AD®, Placebo
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Turmeric and Turmeric-containing Tablets and Sebum Production

NCT03065504
Conditions
Skin Inflammation
Interventions
Turmeric, Turmeric-containing combination tablet, Placebo tablets
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Trial of Two Study Drinks in Detoxification of Environmental Toxicants and Carcinogens

NCT03978117
Conditions
Healthy
Interventions
Freeze Dried Watercress Preparation, Placebo Preparation
Dietary Supplement
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Brown Seaweed as a Breast Cancer Preventive

NCT01204957
Conditions
Breast Cancer
Interventions
Seaweed and Soy Protein, Placebo and Soy Protein
Dietary Supplement
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 1999
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Iron-deficiency
Interventions
Synbiotic Supplement, Placebo
Dietary Supplement
Lead sponsor
Marywood University
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Scranton, Pennsylvania
Completed Not applicable Interventional

Treating IBD With Inulin

NCT03653481
Conditions
Inflammatory Bowel Diseases
Interventions
Oligofructose-enriched Inulin OI, Maltodextrin
Dietary Supplement
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 21 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Protein Supplementation on Bone Health in Healthy Older Men and Women

NCT00421408
Conditions
Bone Resorption, Osteoporosis
Interventions
Whey protein supplement, Placebo
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
60 Years to 85 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Farmington, Connecticut • New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Berberine and Dihydroberberine and Their Impact on Glycemia

NCT05021341
Conditions
Glycemia
Interventions
Berberine, Dihydroberberine 200, Dihydroberberine 100, Placebo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Saint Charles, Missouri
Completed Not applicable Interventional Accepts healthy volunteers

Creatine Timing on Resistance Training Adaptations in College Athletes

NCT05451498
Conditions
Healthy
Interventions
Creatine, Maltodextrin
Dietary Supplement
Lead sponsor
Rocky Mountain University of Health Professions
Other
Eligibility
19 Years to 30 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Provo, Utah
Conditions
Muscle Damage, Muscle Soreness
Interventions
Pasture-raised whey protein, Conventional whey protein, Placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bloomington, Indiana
Terminated Phase 2 Interventional Results available

Rapid Antidepressant Effects of Leucine

NCT03079297
Conditions
Major Depressive Disorder
Interventions
L-Leucine, Maltodextrin
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Microbial Colonization
Interventions
Prebiotics, Placebos
Dietary Supplement
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Healthy Aging
Interventions
Nutritional supplement, Placebo
Dietary Supplement
Lead sponsor
Athletic Greens International
Industry
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Canfield, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Prenatal Probiotic Intervention

NCT03240419
Conditions
Childhood Obesity, Maternal Obesity During Childbirth, Insulin Resistance, Inflammation
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Leucine for Depression Study (L-DEP)

NCT03557684
Conditions
Depression
Interventions
leucine, PO placebo, lipopolysaccharide (LPS), IV placebo
Dietary Supplement · Other · Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Amino Acids
Interventions
ProHydrolase®, Whey protein, Placebo
Dietary Supplement
Lead sponsor
Deerland Enzymes
Industry
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Broccoli Seed Extract and Skin Health

NCT05745636
Conditions
Skin Inflammation
Interventions
Broccoli, mustard, vitamin C, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
25 Years to 57 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Tart Cherry Supplementation & Gut Microbiome and Inflammation

NCT04467372
Conditions
Inflammation, Glucose Regulation, Sleep
Interventions
Tart cherry juice concentrate, Juice placebo, Freeze dried tart cherry powder, Capsule placebo
Dietary Supplement
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Athens, Ohio