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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:48 PM EDT

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Showing 1–24 of 3,349 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: nutritional supplement Clear all
Completed Phase 1 Interventional Results available

Effect of Prebiotics on the Gut Microbiome Profile and Beta Cell Function

NCT04114357
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Acetylated and Butyrylated High Amylose Maize Starch
Drug
Lead sponsor
Indiana University
Other
Eligibility
11 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 19, 2026, 10:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Study on Prodovite® VMP35 Supplement on Athletic Performance

NCT04121481
View directory record Official record
Conditions
Athletic Performance
Interventions
Clinical Investigation on Enhanced Sports Nutrition and Performance Activities by Prodovite VMP35 Supplement, Broad Spectrum Safety
Dietary Supplement
Lead sponsor
Victory Nutrition International, Inc.
Industry
Eligibility
18 Years to 74 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cornelius, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Phase 2 Interventional Results available

Vitamin D Supplementation as a Neoadjuvant for Photodynamic Therapy of Actinic Keratoses

NCT04140292
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Photodynamic therapy (PDT), Vitamin D3
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2022 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single Group Study to Evaluate the Efficacy of Bye Bye Bloat Capsules in Relieving Bloating and Promoting Healthy Digestion.

NCT06516744
View directory record Official record
Conditions
Digestive Health, Digestion
Interventions
Bye Bye Bloat Capsules
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 19, 2026, 10:48 PM EDT
Terminated Not applicable Interventional

Influence of Opioid Use on the Effects of Spinal Manipulative Therapy for Low Back Pain

NCT03749564
View directory record Official record
Conditions
Low Back Pain, Opioid Use
Interventions
SMT, Activation Exercises, Mobilizing Exercises, Extended SMT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 22, 2022 · Synced Oct 19, 2026, 10:48 PM EDT
Recruiting Phase 2 Interventional

FAST for DM - Fatty Acid Supplementation Trial (FAST) for Dermatomyositis (DM)

NCT07111065
View directory record Official record
Conditions
Dermatomyositis (DM), Juvenile Dermatomyositis (JDM)
Interventions
FISH OIL 500MG OMEGA-3 SOFT GEL MINIS, Placebo
Dietary Supplement
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Results available

Point-of-Care Glucose Testing and Insulin Supplementation

NCT01702311
View directory record Official record
Conditions
Diabetes
Interventions
Bedtime insulin Aspart (Novolog)
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 3, 2018 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional

Fully Remote, Telehealth-based Ketogenic Metabolic Therapy for Long COVID

NCT07745699
View directory record Official record
Conditions
Long COVID Fatigue
Interventions
Ketogenic Metabolic Therapy, Lifestyle Intervention
Other · Behavioral
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 19, 2026, 10:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Multidisciplinary Intervention for Mild Cognitive Impairment

NCT02943187
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Cognitive training, Nutrition
Behavioral · Dietary Supplement
Lead sponsor
Gibson Institute of Cognitive Research
Industry
Eligibility
50 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oral Supplementation With a Black Pepper Extract

NCT05199012
View directory record Official record
Conditions
Waist Circumference, Triglycerides, Appetite, Inflammation, Lipids
Interventions
Black pepper extract
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Evaluation of the Effects of a Non-Caffeinated Energy Dietary Supplement

NCT04895800
View directory record Official record
Conditions
Health Behavior
Interventions
Phytovive, Placebo, Caffeine
Dietary Supplement
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Davie, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Dietary Supplement on Markers of Glucose Control and Quality of Life

NCT05573607
View directory record Official record
Conditions
Blood Glucose
Interventions
Placebo, Chromium
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 10, 2022 · Synced Oct 19, 2026, 10:48 PM EDT
Terminated Not applicable Interventional

Routine Post-Operative Supplemental Nutrition

NCT02297607
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Tube Feeding
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 27, 2020 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation to Identify if Dame Product's "DLM" Works to Improve Sexual Desire and Mood in Females

NCT05130411
View directory record Official record
Conditions
Sexual Desire Disorder
Interventions
DLM - Test product
Dietary Supplement
Lead sponsor
Dame Products, Inc.
Industry
Eligibility
24 Years to 65 Years · Female only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Oct 19, 2026, 10:48 PM 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 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional

Hydrolyzed Casein and Whey Protein Supplementation and the Addition of Leucine to Induce Protein Anabolism in Malnourished COPD Patients

NCT01154400
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Casein protein hydrolysates, Whey protein hydrolysates, Casein protein hydrolysates + LEU, Whey protein hydrolysates + LEU
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2012 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional

Short-Term Endogenous Hydrogen Sulfide Upregulation

NCT03303534
View directory record Official record
Conditions
Carotid Stenosis, Caloric Restriction
Interventions
ScandiShake
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2018 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Early Phase 1 Interventional

Oral Intradialytic Amino Acid Supplementation to Vitalize End-stage Kidney Disease Patients on Hemodialysis

NCT05705414
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Valine, EEA
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 64 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 19, 2026, 10:48 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Investigate the Effect of a Multivitamin, Multi-nutrient Supplement on Mental and Emotional Wellbeing

NCT07146321
View directory record Official record
Conditions
Menopause
Interventions
multi-vitamin, multi-nutrient, Placebo
Dietary Supplement
Lead sponsor
Biologica Inc
Industry
Eligibility
43 Years to 55 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 19, 2026, 10:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Placebo Controlled Double Masked Clinical Assessment Study of Essential Fatty Acid Supplement and Its Effect on Patients With Apparent Aqueous Deficient Dry Eye Syndrome

NCT00344721
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
Omega-3 fatty acid supplement, Placebo
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Oct 19, 2026, 10:48 PM 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 19, 2026, 10:48 PM EDT
Completed Phase 1 Interventional

Probiotic Ingestion and Isoagglutinin Titers

NCT00891787
View directory record Official record
Conditions
Isoagglutinin-Mediated Hemolysis, Probiotic Toxicity
Interventions
Probiotic Supplement
Dietary Supplement
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 70 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 19, 2026, 10:48 PM EDT
Recruiting Not applicable Interventional

BHB & CAR-T for Lymphomas

NCT06610344
View directory record Official record
Conditions
Large B-cell Lymphoma
Interventions
R-1,3-Butanediol
Dietary Supplement
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 19, 2026, 10:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Heat Therapy and Omega 3 on Cardio-Metabolic Health

NCT04051034
View directory record Official record
Conditions
Hypertension
Interventions
Omega 3, Placebo
Dietary Supplement · Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Oct 19, 2026, 10:48 PM EDT