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ClinicalTrials.gov public records Last synced Oct 20, 2026, 7:37 AM EDT

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Showing 1–24 of 539 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Daily Supplements Clear all
Completed Phase 2Phase 3 Interventional Results available

Alpha-Lipoic Acid in Preventing Hearing Loss in Cancer Patients Undergoing Treatment With Cisplatin

NCT00477607
View directory record Official record
Conditions
Ototoxicity, Unspecified Adult Solid Tumor
Interventions
alpha-lipoic acid, Audiology, laboratory biomarker analysis, Placebo
Drug · Behavioral · Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 7, 2014 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Virus Vaccine Plus Vitamin A and D Supplements for Prevention of Respiratory Virus Infections in Children

NCT02649192
View directory record Official record
Conditions
Healthy Participants
Interventions
Influenza virus vaccine, Vitamins A and D, Placebo
Biological · Dietary Supplement · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 8 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Oct 20, 2026, 7:37 AM EDT
Not listed Not applicable Interventional

Assess the Effects of a Limosilactobacillus Supplement on Recurrence of UTI in Healthy Women During a 6-month Period

NCT05793814
View directory record Official record
Conditions
Uncomplicated Symptomatic Urinary Tract Infections
Interventions
Limosilactobacillus reuteri 3613, Placebo
Dietary Supplement
Lead sponsor
Church & Dwight Company, Inc.
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 20, 2026, 7:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effect of Selenium Intervention on Inflammation in Older Adults

NCT01289925
View directory record Official record
Conditions
Inflammation
Interventions
Selenium, Sugar Pill Placebo
Dietary Supplement · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
70 Years to 110 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 20, 2026, 7:37 AM EDT
Not yet recruiting Not applicable Interventional

Comparing Prebiotic Fiber Supplements for Gut Health and Digestive Comfort

NCT07525180
View directory record Official record
Conditions
Healthy Participants
Interventions
LOAM, Inulin, Cellulose Placebo
Dietary Supplement
Lead sponsor
Ventoscity LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 2 Interventional Results available

Gulf War Illness: Evaluation of an Innovative Detoxification Program

NCT01672710
View directory record Official record
Conditions
Gulf War Illness
Interventions
plain crystalline niacin, exercise, sauna
Drug
Lead sponsor
University at Albany
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Annapolis, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Oct 20, 2026, 7:37 AM EDT
Recruiting Not applicable Interventional

An Open-Label Study to Evaluate the Effect of Elix Cycle Balance & Elix Daily Harmony on Fibroid-related Symptoms

NCT07078682
View directory record Official record
Conditions
Uterine Fibroids, Leiomyoma, Menstrual Pain
Interventions
Elix Daily Harmony
Dietary Supplement
Lead sponsor
Zenchi, Inc.
Industry
Eligibility
20 Years to 45 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ranger Resilience and Improved Performance on Phospholipid Bound Omega-3's

NCT02908932
View directory record Official record
Conditions
Nutrition, Fatty Acids, Omega-3, Cognition, Resilience, Psychological, Psychology, Military
Interventions
Phospholipid-bound omega-3 supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
Not listed
Enrollment
555 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
3
States / cities
Fort Benning, Georgia • Bethesda, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Oct 20, 2026, 7:37 AM EDT
Terminated Not applicable Interventional

Vitamin D to Improve Nutrition Prior to Bariatric Surgery and Investigate the Relationship With Negative Outcomes

NCT02212652
View directory record Official record
Conditions
Vitamin D Deficiency, Vitamin D Insufficiency
Interventions
Vitamin D, Placebo, Standard of Care
Dietary Supplement · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 64 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 2 Interventional

Probiotics for Clostridium Difficile Infection in Older Adults

NCT01680874
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Introduction and Maintenance of Still Eating Protein Blends in Support of Infant Nutritional Goals

NCT03667118
View directory record Official record
Conditions
Food Allergy
Interventions
Food Supplement
Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
5 Months to 11 Months
Enrollment
705 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional Results available

Therapeutic Diets in Alzheimer's Disease

NCT03860792
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Ketogenic Diet, Therapeutic Lifestyles Changes Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Fairway, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 20, 2026, 7:37 AM EDT
Not listed Not applicable Interventional

Study of Arginine Metabolism and Nitric Oxide Formation in Relation to Glutamine Supply in Severely Burned Patients

NCT00216970
View directory record Official record
Conditions
Burns
Interventions
Alteration in nutritional support
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2009 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Plasma TMAO and Choline Levels in Individuals With Metabolic Syndrome - Comparison Between Eggs and Choline Supplement.

NCT03877003
View directory record Official record
Conditions
Coronary Artery Disease, Diabetes, Metabolic Syndrome
Interventions
Eggs
Other
Lead sponsor
University of Connecticut
Other
Eligibility
35 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Magnesium and Vitamin D Supplementation and Cardiometabolic Outcomes

NCT03134417
View directory record Official record
Conditions
Overweight and Obesity, Vitamin D Deficiency, Magnesium Deficiency, Cardiovascular Risk Factor
Interventions
Vitamin D and magnesium, Vitamin D, Placebo
Dietary Supplement
Lead sponsor
Drexel University
Other
Eligibility
30 Years to 70 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 2 Interventional Results available

Effect of a Wide Spectrum Nutritional Supplement on Mitochondrial Function in Children With Autism Spectrum Disorder

NCT03835117
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Wide-spectrum nutritional supplement, Placebo
Drug · Other
Lead sponsor
Rossignol Medical Center
Other
Eligibility
2 Years to 17 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Enhancing Efficacy of Mango Polyphenols in Lean and Obese

NCT04970589
View directory record Official record
Conditions
Obesity
Interventions
Mango, Probiotics, Placebo
Other · Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional

Blueberries for Improving Vascular Endothelial Function in Postmenopausal Women With Elevated Blood Pressure

NCT03370991
View directory record Official record
Conditions
Menopause, Elevated Blood Pressure, Hypertension, Endothelial Dysfunction
Interventions
Blueberry Powder, Placebo Powder
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional

GI Surgery Pre-Operative Nutrition

NCT01471743
View directory record Official record
Conditions
Immunonutrition
Interventions
Impact Advance Recovery (R), Ensure Plus (R)
Dietary Supplement
Lead sponsor
James A. Haley Veterans Administration Hospital
Federal
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2016 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 3 Interventional Results available

SGA-induced Metabolic Syndrome in Bipolar Youth

NCT01858948
View directory record Official record
Conditions
Bipolar Youth Treated With Second-generation Antipsychotics
Interventions
Omega, Placebo, Quetiapine fumarate
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 25, 2022 · Synced Oct 20, 2026, 7:37 AM EDT
Enrolling by invitation Phase 4 Interventional

Probiotics in the Prevention of Recurrent Prosthetic Joint Infection of the Hip and Knee

NCT06636669
View directory record Official record
Conditions
Prosthetic-joint Infection, Dysbiosis
Interventions
Probiotic, Standard of care
Drug · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 20, 2026, 7:37 AM EDT
Not yet recruiting Not applicable Interventional

High-protein plUs reSistance Training in gLucagon-like pEptide 1 Receptor Agonist Users (HUSTLE)

NCT07700030
View directory record Official record
Conditions
Weight Loss
Interventions
High protein diet, Resistance Training (RT) Programs
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
30 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug Interactions of Echinacea, Ginseng, and Ginkgo Biloba Taken With Lopinavir/Ritonavir in Healthy Volunteers

NCT00103012
View directory record Official record
Conditions
Healthy
Interventions
Gingko Biloba, Echinacea purpurea, Panax ginseng
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 20, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Metabolism in Chronic Obstructive Pulmonary Disease

NCT04459156
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Aging
Interventions
Fiber Inulin, Placebo Maltodextrin
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 20, 2026, 7:37 AM EDT