Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 9:43 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 875 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Dietary Supplements Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Education Tools to Support Pediatric Survivor Care

NCT04257058
View directory record Official record
Conditions
Cancer, Pediatric Cancer
Interventions
Electronic educational material
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 25 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 4 Interventional Results available

Evaluating Vitamin D3 Supplement on Post-Op Outcomes

NCT04177758
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Vitamin D, Control
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Spirulina Oral Supplement for Enhancing Host Resilience to Virus Infection

NCT05447078
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Anatabine on Elevated Blood Levels of C-reactive Protein

NCT01607619
View directory record Official record
Conditions
Inflammation
Interventions
Anatabine
Dietary Supplement
Lead sponsor
Roskamp Institute Inc.
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
3
States / cities
Sarasota, Florida • Flint, Michigan • Shelby, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 27, 2013 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The RAMP Study - Rejuvenation of the Aging Microbiota With Prebiotics

NCT03690999
View directory record Official record
Conditions
Microbiome, Immune Function, Inflammation
Interventions
Placebo, Prebiotic supplement
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
60 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Jul 21, 2026, 9:43 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Hydrate Heroes for Improving Brain Function & Mood

NCT07241260
View directory record Official record
Conditions
Hydration Status
Interventions
Hydrate Heroes (6 packets), Hydrate Heroes (3 packets)
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a Supplement to Promote Cognitive Health Benefits

NCT05523115
View directory record Official record
Conditions
Anxiety, Stress, Memory Deficits, Cortisol Overproduction
Interventions
Heights Smart Supplement
Dietary Supplement
Lead sponsor
Heights
Industry
Eligibility
21 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of a Pre-Workout Dietary Supplement

NCT02952014
View directory record Official record
Conditions
Dietary Modification
Interventions
C4 Extreme, C4 Extreme (without Advantra Z, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Investigate the Efficacy of the Brain Blossom Supplement to Improve Cognitive Function and Memory

NCT07564804
View directory record Official record
Conditions
Cognitive Function, Memory, Cognitive Decline
Interventions
Dietary Supplement: Brain Blossom, Placebo
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
50 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 21, 2026, 9:43 AM EDT
Not yet recruiting Not applicable Interventional

Study to Evaluate Xtressé Gummy Supplement in Men With Androgenic Alopecia

NCT07637071
View directory record Official record
Conditions
Androgenic Alopecia, Hair Loss/Baldness, Hair Thinning
Interventions
Xtressé Hair Growth Gummies
Other
Lead sponsor
Restore Biologics Holdings, Inc. dba Xtressé
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Maitland, Florida • Port Orange, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

LIFEHOUSE: Description of the Tent Bucket -Immune Support

NCT04734288
View directory record Official record
Conditions
Immune Response
Interventions
Vit.D3 5000 IU, Immune Active
Dietary Supplement
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Multi-Ingredient Dietary Supplement on Blood and Breath Alcohol Levels

NCT06106620
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Placebo, Safety Shot
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
21 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effect of Chewing a Calcium Supplement Before Fluoride Rinse on Salivary Fluoride

NCT04620252
View directory record Official record
Conditions
Dental Caries
Interventions
Inactive supplement, Tricalcium phosphate supplement, Calcium carbonate supplement, Calcium citrate supplement, Inactive supplement and fluoride mouthwash, Calcium carbonate supplement and fluoride mouthwash, Calcium citrate supplement and fluoride mouthwash
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 99 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Jul 21, 2026, 9:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate a Postbiotic in Supporting Weight Loss and Metabolic Health

NCT06911073
View directory record Official record
Conditions
Obesity and Overweight
Interventions
Postbiotic, Placebo
Dietary Supplement
Lead sponsor
ResBiotic Nutrition, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Nutritional Supplement, Eccentric Exercise and Recovery

NCT01444170
View directory record Official record
Conditions
Injury, Inflammation
Interventions
dicreatinol sulfate, placebo sugar pill
Dietary Supplement · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 25 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional

The Post-Vitrectomy Lenstatin™ Study

NCT02131194
View directory record Official record
Conditions
Cataract, Nuclear Progressive
Interventions
Lenstatin, Placebo
Dietary Supplement · Drug
Lead sponsor
Lenstatin LLC
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate Effects of Sprinkled Format REDUCOSE in a Carbohydrate-rich, Mixed Meal on Post-prandial Glycemia

NCT04877366
View directory record Official record
Conditions
Dietary Supplement
Interventions
Dietary Supplement: Sprinkled Format REDUCOSE., Reference control, Active comparator
Dietary Supplement · Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 2 Interventional Results available

Sulforaphane to Reduce Symptoms of Schizophrenia

NCT02810964
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Sulforaphane Nutraceutical, Identical-appearing Placebo
Drug
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 2 Interventional

Zinc Supplements in Lowering Cadmium Levels in Smokers

NCT00376987
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
zinc oxide
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 120 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 2 Interventional

Effectiveness of Extended Treatment for Drug Dependence (ETDD) in the City Study

NCT01153464
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Recovery Support Counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Magnesium Supplementation for the Prevention of Supraventricular Arrhythmias

NCT02837328
View directory record Official record
Conditions
Premature Atrial Contraction
Interventions
Oral Magnesium Supplement, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
55 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Nourishing Hair, Skin & Nails Supplement Study (Derm Aid)

NCT04249128
View directory record Official record
Conditions
Hair Loss, Skin Laxity, Cosmetic Acne, Nails; Soft, Skin Aging
Interventions
Vegetarian Collagen, Keratin, Ceramides, Astaxanthin
Dietary Supplement
Lead sponsor
ProofPilot
Industry
Eligibility
26 Years to 100 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Use of a Farmers Market Incentive Program Among Low-Income Health Center Patients

NCT02558660
View directory record Official record
Conditions
Food Insecurity, Non-use of Existing State-wide SNAP Incentive Program
Interventions
Education, voucher
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 27, 2015 · Synced Jul 21, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Vitamin C Enriched Hydrolyzed Collagen, PrimaColl™, Whey Protein, or Placebo on Collagen Synthesis

NCT05427279
View directory record Official record
Conditions
Effect of Food Supplement
Interventions
Placebo, Hydrolized Collagen, PrimaColl, Whey protein
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 21, 2026, 9:43 AM EDT