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ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:38 PM EDT

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

Showing 769–792 of 2,923 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Supplement Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Consumption of 4D Dietary Supplement on Perceptual-Cognitive and Visual-Motor Performance

NCT04988919
View directory record Official record
Conditions
Dietary Supplementation
Interventions
4D, placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 8, 2021 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Qualia NAD+ Supplementation on Intracellular NAD Levels

NCT06505967
View directory record Official record
Conditions
NAD+ Levels in the Blood
Interventions
Qualia NAD+, Placebo
Dietary Supplement · Other
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
40 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Recruiting Phase 2 Interventional

MDMA for Co-occurring PTSD and OUD After Childbirth

NCT05219175
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Opioid Use Disorder
Interventions
MDMA Assisted Therapy
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Not listed Not applicable Interventional

The Effect of a Dietary Supplement Rich in Nitric Oxide in Patients Diagnosed With Primary Ciliary Dyskinesia.

NCT04489472
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
Beet-it Juice
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
4 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2023 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

rTMS in Overactive Bladder

NCT06198439
View directory record Official record
Conditions
Overactive Bladder, Overactive Bladder Syndrome, Urge Incontinence, Urgency-frequency Syndrome, Urinary Incontinence, Urinary Incontinence, Urge
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
40 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of the Effects of a Daily Supplement 4Life Transfer Factor Vista Containing AREDS2 Formula on Skin Carotenoid Levels Using a Non-invasive Detection

NCT07513597
View directory record Official record
Conditions
Skin Carotenoids
Interventions
Dietary Supplement
Other
Lead sponsor
4Life Research, LLC
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Sandy City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Open-label Study to Assess Increasing Levels of NAD+(Nicotinamide Adenine Dinucleotide)

NCT03707652
View directory record Official record
Conditions
Increase in Blood Levels of Nicotinamide Adenine Dinucleotide (NAD+)
Interventions
Oral supplement A, Oral supplement B, Oral supplement C, Oral supplement D, Oral Supplement D in combination with oral supplement C
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Phase 1 Interventional

Cord Blood Plus Vitamin D and Omega 3s in T1D

NCT00873925
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Autologous UCB, Omega 3 FA, Vitamin D
Biological · Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
1 Year to 18 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

A Trial of a Multi-Component Nutritional Supplement in Hydrogen-Dominant Small Intestinal Bacterial Overgrowth

NCT07215676
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO), Small Intestinal Bacterial Overgrowth
Interventions
AV1PD1A
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study on a Locally Prepared Food Supplement to Support Growth and Brain Health

NCT03319589
View directory record Official record
Conditions
Malnutrition
Interventions
Supplement
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
24 Months to 84 Months
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

Vaginal Probiotics and Pessaries and Their Impact on the Vaginal Microenvironment

NCT04118049
View directory record Official record
Conditions
Pelvic Organ Prolapse, Inflammatory Response, Dysbiosis
Interventions
BiopHreshTM vaginal probiotic supplement (Good Clean Love, Inc. Eugene, OR) and RestoreTM gel., Standard Care
Other
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 25, 2022 · Synced Oct 20, 2026, 8:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

2021 PMT iAge® Intervention Trial by Edifice Health

NCT04983017
View directory record Official record
Conditions
Chronic Inflammation, Inflammaging
Interventions
Dietary supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Edifice Health
Industry
Eligibility
18 Years and older
Enrollment
781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Greenbrae, California • Suwanee, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Phase 2 Interventional

MDMA-Assisted Psychotherapy in Veterans With Combat-Related, Refractory PTSD

NCT04264026
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Combat Stress Disorders
Interventions
3,4-methylenedioxymethamphetamine
Drug
Lead sponsor
VA Loma Linda Health Care System
Federal
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Cannabidiol on Glucose Tolerance and The Gut Microbiota

NCT05285449
View directory record Official record
Conditions
Diabetes
Interventions
Cannabidiol (CBD) powder formulation, Matching Placebo Cannabidiol (CBD) powder formulation
Dietary Supplement
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

Impact of Providing High Protein Bar to Dialysis Patients With Low Serum Albumin

NCT00597025
View directory record Official record
Conditions
End Stage Renal Disease, Hypoalbuminemia, Malnutrition
Interventions
Protein Food Bar Intelligent Indulgence
Dietary Supplement
Lead sponsor
Satellite Healthcare
Other
Eligibility
18 Years and older
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2020 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of a Prebiotic and Probiotic Supplement to Provide Relief From Symptoms Associated With Bacterial Vaginosis and Yeast Infections.

NCT06665126
View directory record Official record
Conditions
Bacterial Vaginosis, Yeast Infection
Interventions
Prebiotic + Probiotic Supplement, Active Placebo Supplement, Excipient Placebo Supplement
Dietary Supplement
Lead sponsor
Happy V
Industry
Eligibility
25 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Phase 1 Interventional Results available

Is Obstructive Sleep Apnea Important in the Development of Alzheimer's Disease?

NCT05094271
View directory record Official record
Conditions
OSA, Sleep Apnea, Obstructive Sleep Apnea, Alzheimer Disease
Interventions
Supplemental Oxygen, Continuous Positive Airway Pressure Machine, Room Air
Other · Device
Lead sponsor
University of California, San Diego
Other
Eligibility
65 Years to 85 Years
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Red Clover Botanical Dietary Supplements - Metabolism and Safety in Women

NCT03205787
View directory record Official record
Conditions
Food-drug Interaction
Interventions
Trifolium pratense
Dietary Supplement
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 79 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 20, 2026, 8:38 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

PsylliumRx Dietary Fiber Study

NCT03629119
View directory record Official record
Conditions
Obesity, Childhood Obesity
Interventions
Dietary Fiber Supplement
Dietary Supplement
Lead sponsor
Kaiser Permanente
Other
Eligibility
12 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 20, 2026, 8:38 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Magnesium Supplementation on Elevated Systolic Blood Pressure

NCT05690464
View directory record Official record
Conditions
Blood Pressure
Interventions
magnesium glycinate supplement, placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
30 Years to 74 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 20, 2026, 8:38 PM EDT
Active, not recruiting Not applicable Interventional

Using the Ending Self-Stigma Intervention to Reduce Internalized Stigma Among People Living With HIV Who Use Substances

NCT05704764
View directory record Official record
Conditions
HIV, Stigma, Social, Substance Use
Interventions
Ending Self Stigma for Persons living with HIV and Use Substances
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Newhall, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

A Nutritional Intervention for Diabetic Neuropathy (WCCR-DN2)

NCT01953757
View directory record Official record
Conditions
Diabetic Neuropathy
Interventions
Vegan diet and vitamin B12 supplement, Vitamin B12 supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Oct 20, 2026, 8:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

SmartPICC-1 Feasibility Study Technical Feasibility Study

NCT05548192
View directory record Official record
Conditions
Catheter Complications
Interventions
SmartPICC-1 System
Device
Lead sponsor
Piccolo Medical
Industry
Eligibility
22 Years to 85 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2023 · Synced Oct 20, 2026, 8:38 PM EDT
Completed Not applicable Interventional

The Effects of Nutrition Supplementation and Education on the Healing of Diabetic Foot Ulcer (DFU)

NCT04055064
View directory record Official record
Conditions
Diabetic Foot Ulcer
Interventions
glucose control nutritional shake, nutrition education
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
30 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Oct 20, 2026, 8:38 PM EDT