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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:37 PM EDT

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

Showing 505–528 of 1,844 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Supplementation Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin D Intervention and Associated Changes in the Gut Microbiome and Vitamin D Levels in Healthy Adults

NCT05387876
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Vitamin D intervention, Placebo intervention
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 79 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 21, 2026, 2:37 PM EDT
Active, not recruiting Early Phase 1 Interventional

Glutathione in Mild Cognitive Impairment

NCT03493178
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Glycine, N-acetylcysteine (NAC), Alanine
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
55 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Chiropractic Plus Nutritional Supplement in Patients With Chronic Pain and Inflammation.

NCT05743855
View directory record Official record
Conditions
Chronic Pain, Inflammatory Response
Interventions
Nutritional Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Standard Process Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
3
States / cities
Charlotte, North Carolina • Kannapolis, North Carolina • Mooresville, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 21, 2026, 2:37 PM 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 21, 2026, 2:37 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Gut - PRO Study

NCT07413744
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Probiotic, Placebo
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Phase 3 Interventional

Supplementation With Vitamin D, Calcium or Both on Calcium Absorption and Bone Mineral Content in Children With JRA

NCT00570934
View directory record Official record
Conditions
Juvenile Rheumatoid Arthritis
Interventions
Cholecalciferol, Calcium, Calcium and cholecalciferol, Placebo
Dietary Supplement · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
3 Years to 15 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2002
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 10, 2016 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Phase 1 Interventional

Vitamin C Supplementation as a Preventive Treatment of Diabetic Peripheral Neuropathy

NCT00634998
View directory record Official record
Conditions
Diabetic Neuropathies
Interventions
Vitamin C, Placebo
Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
50 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 21, 2026, 2:37 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

TRT as an Adjunctive ERAS Therapy in ESRD Patients Undergoing Kidney Transplantation

NCT07287800
View directory record Official record
Conditions
Hypogonadism, Male, End Stage Renal Disease (ESRD), Kidney Transplant
Interventions
Testosterone Replacement Therapy
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 21, 2026, 2:37 PM EDT
Recruiting Not applicable Interventional

Optimizing Integrative Oncology Approaches to Address Chemotherapy-induced Peripheral Neuropathy in Gastrointestinal (GI) Cancer Patients: A SMART Pilot Study

NCT07501663
View directory record Official record
Conditions
Peripheral Neuropathy
Interventions
Tai Chi/Qi Gong, α- Lipoic acid, Acupuncture
Behavioral · Dietary Supplement · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Oral Probiotics and Herbal Supplementation on the Gut Microbiome and Sebum Excretion Rate in Non-Cystic Acne

NCT05919810
View directory record Official record
Conditions
Acne Vulgaris, Acneiform Eruptions, Skin Diseases, Sebaceous Gland Diseases
Interventions
Probiotic, Oral herbal powder supplement
Other · Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
12 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 21, 2026, 2:37 PM EDT
Recruiting Phase 2Phase 3 Interventional

Effects of Ketones on Brain Energetics and Alcohol Consumption in Alcohol Use Disorder

NCT06807918
View directory record Official record
Conditions
Alcohol Use Disorder, Ketosis
Interventions
Kenetik, magnetic resonance imaging scan, Alcohol bar lab, Placebo beverage
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Phase 3 Interventional

Triiodothyronine (T3) Supplementation in the Treatment of Bipolar and Unipolar Depression.

NCT00158990
View directory record Official record
Conditions
Major Depression, Bipolar Disorder, Unipolar Depression
Interventions
triiodothyronine, sertraline
Drug
Lead sponsor
Hadassah Medical Organization
Other
Eligibility
18 Years to 70 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 4, 2007 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Not applicable Interventional Results available

Vitamin D Oral Replacement in Asthma

NCT03686150
View directory record Official record
Conditions
Asthma, Vitamin D Deficiency, Pediatric Obesity
Interventions
Vitamin D3 oral regimen
Dietary Supplement
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
6 Years to 17 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
15
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Phase 2Phase 3 Interventional

Vitamin D Supplementation in HIV

NCT01475890
View directory record Official record
Conditions
HIV-infection/Aids
Interventions
Vitamin D3, Placebo
Dietary Supplement
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
5 Years to 24 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 17, 2017 · Synced Oct 21, 2026, 2:37 PM EDT
Withdrawn Phase 2 Interventional

The Effects of Soy Protein on Post-thoracotomy Pain

NCT00344097
View directory record Official record
Conditions
Thoracotomy, Pain
Interventions
Soy protein
Procedure
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 22, 2013 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Phase 3 Interventional Results available

A Severity-Adapted Clinical Trial of Diminished Bone Mineral Density in Acute Lymphoblastic Leukemia Survivors

NCT00186901
View directory record Official record
Conditions
Leukemia, Lymphoblastic, Acute, Osteoporosis
Interventions
Calcium carbonate (Tums), vitamin D, Placebo
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
3
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 21, 2026, 2:37 PM EDT
Withdrawn Phase 2 Interventional

Vitamin E Efficacy in HI/HA

NCT04984798
View directory record Official record
Conditions
Hyperinsulinism-Hyperammonemia Syndrome
Interventions
Vitamin E
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Oct 21, 2026, 2:37 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Commerical DHA Supplementation

NCT05415293
View directory record Official record
Conditions
Randomized Clinical Trial, Docosahexaenoic Acid, Pregnancy
Interventions
Expecta 200mg DHA, Promise 275mg DHA
Dietary Supplement
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pro-Resolving Mediators in Acute Inflammation in Humans

NCT04308889
View directory record Official record
Conditions
Inflammation; Skin, Resolution, Blister
Interventions
Lovaza, Cantharone, Phlebotomy
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Not applicable Interventional Results available

Effect of Vitamin D on the Honeymoon Period in Children and Adolescents With Type 1 Diabetes

NCT01724190
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Vitamin D, Placebo
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
4 Years to 18 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 21, 2026, 2:37 PM EDT
Withdrawn Not applicable Interventional

Spine and Tumor Screening and Supplementation

NCT03660540
View directory record Official record
Conditions
Spinal Injuries, Sarcoma, Nutritional Deficiency
Interventions
Juven
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Next-Generation Synbiotic in Individuals With Overweight or Obesity

NCT06213480
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Synbiotic Group, Placebo Group
Dietary Supplement · Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Evaluation of Zinc Status Biomarkers

NCT02861352
View directory record Official record
Conditions
Inflammation, Oxidative Stress
Interventions
Diet zinc
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Oct 21, 2026, 2:37 PM EDT
Completed Phase 3 Interventional Results available

Effect of High Dose Fish Oil Supplementation After Recent Heart Attack Using Magnetic Resonance Imaging

NCT00729430
View directory record Official record
Conditions
Myocardial Infarction, Death, Sudden, Cardiac
Interventions
Omega-3 Fatty Acids (Fish Oil Supplements), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 21, 2026, 2:37 PM EDT