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ClinicalTrials.gov public records Last synced Nov 3, 2026, 5:10 AM EST

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 617 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral Supplement Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Oral Vitamin D Versus Narrow-Band UV-B Exposure on the Lipid Profile

NCT01688102
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Oral Vitamin D3, Ultraviolet Light
Dietary Supplement · Radiation
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 70 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Nov 3, 2026, 5:10 AM EST
Completed Phase 1Phase 2 Interventional Results available

Safety Study of Riluzole to Treat Post-traumatic Stress Disorder (PTSD)

NCT02155829
View directory record Official record
Conditions
PTSD
Interventions
Riluzole, Placebo (for Riluzole)
Drug
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Bethesda, Maryland • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

One Week Clinical Study in Subjects With Menopausal Symptoms

NCT06794021
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Nov 3, 2026, 5:10 AM EST
Recruiting Not applicable Interventional

Effects of Urolithin A Supplementation on Glucose Metabolism in Healthy Adults 55 >= Years Old: A Randomized Triple-Masked Controlled Clinical Trial

NCT06274749
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Urolithin A, Placebo
Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years to 100 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 2, 2026 · Synced Nov 3, 2026, 5:10 AM EST
Completed Phase 1Phase 2 Interventional Results available

Use of (-)-Epicatechin in the Treatment of Becker Muscular Dystrophy (Pilot Study)

NCT01856868
View directory record Official record
Conditions
Becker Muscular Dystrophy
Interventions
(-)-epicatechin
Drug
Lead sponsor
Craig McDonald, MD
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Nov 3, 2026, 5:10 AM EST
Withdrawn Not applicable Interventional

Vitamin B12 for Aromatase Inhibitors Associated Musculoskeletal Symptoms in Breast Cancer

NCT04205786
View directory record Official record
Conditions
HR-positive Breast Cancer
Interventions
Vitamin B12, Blood collection, Brief Pain Inventory - Short Form survey, FACT-ES Trial Outcome Index (Version 4), Questionnaire to Assess Adherence to Aromatase Inhibitors, Demographics Questionnaire
Dietary Supplement · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Nov 3, 2026, 5:10 AM EST
Completed Phase 2 Interventional Results available

Study of Pralatrexate to Treat Participants With Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma

NCT00998946
View directory record Official record
Conditions
Lymphoma, B-Cell
Interventions
Pralatrexate, Vitamin B12, Folic Acid
Drug · Dietary Supplement
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
11
States / cities
Beverly Hills, California • Post Falls, Idaho • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Nov 3, 2026, 5:10 AM EST
Recruiting No phase listed Observational

Passive Sensor Identification of Digital Biomarkers to Assess Effects of Orally Administered Nicotinamide Riboside

NCT05245903
View directory record Official record
Conditions
Alzheimer Disease, Dementia Alzheimers, Dementia, Cognitive Impairment, Mild Cognitive Impairment, Neurodegenerative Diseases, Neurocognitive Disorders, Neurocognitive Dysfunction, Cognitive Dysfunction, Mental Disorder
Interventions
Emerald Device Monitoring
Device
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Turmeric and Turmeric-containing Tablets and Sebum Production

NCT03065504
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Nov 3, 2026, 5:10 AM EST
Recruiting Phase 2 Interventional

Synbiotic Compound to Reduce Symptoms of Schizophrenia

NCT04226898
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Synbiotic Supplement, Inert Compound
Biological
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Batlimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Does Daily Supplementation of Lactobacillus Acidophilus MPH734, for One Week, Affect Acute (Immediate), Subacute (7 Days), and Post-treatment Discontinuation Lactose Metabolism, Gastrointestinal Symptoms, and Clinical Markers of Inflammation and Safety Compared to a Placebo

NCT04531033
View directory record Official record
Conditions
Lactose Intolerance
Interventions
Lactobacillus acidophilus MPH734, Placebo
Dietary Supplement
Lead sponsor
Lemuel W. Taylor IV
Other
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Nov 3, 2026, 5:10 AM EST
Recruiting Not applicable Interventional

Bromelain for Post-surgery Facial Swelling

NCT07115212
View directory record Official record
Conditions
Malocclusion
Interventions
Bromelain
Dietary Supplement
Lead sponsor
Mohamed Bazina
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Controlled Trial to Evaluate the Safety and Efficacy of an Oral Supplement in Supporting Vision and Eye Health

NCT07123584
View directory record Official record
Conditions
Dry Eye, Eye Fatigue
Interventions
Eye Empower, Placebo
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
45 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Nov 3, 2026, 5:10 AM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Improving Maternal and Child Health Through Prenatal Fatty Acid Supplementation

NCT02647723
View directory record Official record
Conditions
Pregnancy, Child Development
Interventions
DHA, Sugar pill
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Nov 3, 2026, 5:10 AM EST
Completed Phase 1 Interventional

Nutrition, Neuromuscular Electrical Stimulation (NMES) and Secondary Progressive Multiple Sclerosis (SPMS)

NCT01381354
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Progressive exercise, Neuromuscular electrical stimulation delivered using the electrical therapy device EMPI 300 PV, Modified paleolithic diet, Omega 3 fatty acids, Full Spectrum vitamin, Essential - hydroxytyrosol, Maltodextrin fiber supplement, Mineral boost (magnesium), Niacinamide, Methyl B12, Taurine, creatine, thiamine, riboflavin, N acetylcysteine, alpha lipoic acid, L acetyl carnitine, methyl folate, coenzyme Q, meditation, self massage, learning, Coconut oil
Other · Device · Dietary Supplement + 1 more
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Comparison of Capnography Sampling Lines

NCT03554629
View directory record Official record
Conditions
Capnography
Interventions
Capnography CO2 cannula sampling Flexiterline (CCSF) designs with supplemental O2
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Oral Supplement and Acute Resistance Exercise

NCT06801951
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
acute resistance exercise with oral nutrition supplementation, stable tracer infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Nov 3, 2026, 5:10 AM EST
Not listed Phase 3 Interventional Accepts healthy volunteers

Effects of Vitamin D and Omega-3 Supplementation on Telomeres in VITAL

NCT04386577
View directory record Official record
Conditions
Aging
Interventions
Vitamin D3 (cholecalciferol), fish oil
Dietary Supplement · Drug
Lead sponsor
Augusta University
Other
Eligibility
50 Years and older
Enrollment
1,054 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated May 13, 2020 · Synced Nov 3, 2026, 5:10 AM EST
Completed Not applicable Interventional

Effectiveness of Oral Nutritional Supplements (ONS) in a Meals-on-Wheels Population

NCT00933153
View directory record Official record
Conditions
Elderly, Malnutrition
Interventions
Ensure Plus, Meals on Wheels
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
60 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2014 · Synced Nov 3, 2026, 5:10 AM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating Response to Vitamin D3 and K2 Supplementation in Healthcare Personnel

NCT07199829
View directory record Official record
Conditions
Hypovitaminosis D, Hypovitaminosis
Interventions
Vitamin Arm 1, Vitamin Arm 2, Vitamin Arm 3, Placebo
Dietary Supplement · Other
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 69 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Nov 3, 2026, 5:10 AM EST
Completed Phase 4 Interventional Results available

Novel Combination Therapy for Osteoporosis in Men

NCT03994172
View directory record Official record
Conditions
Male Osteoporosis
Interventions
Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 85 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Nov 3, 2026, 5:10 AM EST
Recruiting Phase 2 Interventional

Zinc as an Adjunctive Therapy for Cervical Dystonia

NCT07140874
View directory record Official record
Conditions
Cervical Dystonia
Interventions
Zinc citrate, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Nov 3, 2026, 5:10 AM EST
Completed No phase listed Observational

Community Acquired Pneumonia in Older Adults

NCT04709978
View directory record Official record
Conditions
Pneumonia, Aspiration Pneumonia
Interventions
Videofluoroscopic Swallowing Study, Nuclear medicine pulmonary aspiration study, TOR-BSST and 3 oz Water Swallow, Sputum Culture, MeMed BV®, Lung Ultrasound, Respiratory Function Tests
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Nov 3, 2026, 5:10 AM EST
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Evaluation Perioperative Nutrition on Donor Site Healing in Patients Undergoing Reconstructive Burn Surg

NCT00539097
View directory record Official record
Conditions
Burn, Reconstructive Surgical Procedure
Interventions
Juven (Ross Products) protein supplement
Dietary Supplement
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
6 Years to 24 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Nov 3, 2026, 5:10 AM EST