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Showing 1–24 of 1,184 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the Impact of Synbiotic Supplementation on Infants and Toddlers

NCT06746285
View directory record Official record
Conditions
Gastrointestinal Tolerance of Probiotics in Infants
Interventions
Synbiotic Supplement, Lactose (inactive placebo)
Dietary Supplement
Lead sponsor
Persephone Biosciences
Industry
Eligibility
2 Months to 24 Months
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Triheptanoin (C7 Oil), a Food Supplement, for Glucose Transporter Type I Deficiency (G1D)

NCT02021526
View directory record Official record
Conditions
Glucose Transporter Type 1 Deficiency Syndrome, Glut1 Deficiency Syndrome
Interventions
Triheptanoin
Drug
Lead sponsor
Juan Pascual
Other
Eligibility
30 Months to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 11, 2026, 1:27 PM EDT
Withdrawn Early Phase 1 Interventional

Novel Supplement-based Therapy for the Treatment of Small Intestinal Bacterial Overgrowth

NCT03420976
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth
Interventions
Novel Supplement Based Therapy
Dietary Supplement
Lead sponsor
Atrium Innovations
Industry
Eligibility
19 Years to 84 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Oxford, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Sep 11, 2026, 1:27 PM EDT
Active, not recruiting Phase 4 Interventional

Romosozumab Use to Build Skeletal Integrity

NCT05058976
View directory record Official record
Conditions
Osteoporosis, Osteoporosis, Postmenopausal, Osteoporosis Fracture
Interventions
Romosozumab, Placebo, Zoledronic acid, Calcium and Vitamin D
Drug · Dietary Supplement
Lead sponsor
Susan L. Greenspan
Other
Eligibility
65 Years and older · Female only
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Phase 3 Interventional

Randomized Trial of a Nutritional Supplement in Alzheimer's Disease

NCT00678431
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Resveratrol with Glucose, and Malate, Placebo
Dietary Supplement
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years to 90 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2012 · Synced Sep 11, 2026, 1:27 PM EDT
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 2, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Withdrawn Early Phase 1 Interventional

Glutamine Supplementation in People With Immune Dysregulation

NCT04019769
View directory record Official record
Conditions
Eczema, MTOROC1 Signaling
Interventions
L-glutamine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Sep 11, 2026, 1:27 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive Vitality Pilot Study

NCT07208279
View directory record Official record
Conditions
Aging, Healthy Aging, Cognition, Memory, Brain
Interventions
Axolt Brain Supplement, Bolero - Flavored Drink Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
55 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Sep 11, 2026, 1:27 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mindfulness-Based Intervention With a Supplement for Stress-Related Problems in College Students Across Multiple Sites (4SITE)

NCT07098845
View directory record Official record
Conditions
Stress, Mental Health, Mindfulness Based Stress Reduction
Interventions
Learning to BREATHE, Learning to BREATHE Plus, HealthEd
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 25 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
4
States / cities
Denver, Colorado • Fort Collins, Colorado • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -4 (WCCR-ARTH4)

NCT03580681
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Phase 2 Interventional

Antifolate Effectiveness in Arthritis

NCT00000395
View directory record Official record
Conditions
Rheumatoid Arthritis, Adjuvant Arthritis
Interventions
Methotrexate, Folinic acid, Folic acid
Drug · Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2002
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Phase 2 Interventional

Study of LYM-X-SORB™ to Improve Fatty Acid and Choline Status in Children With CF and PI

NCT00406536
View directory record Official record
Conditions
Cystic Fibrosis, Pancreatic Insufficiency
Interventions
Lym-X-Sorb powder, Placebo powder
Dietary Supplement
Lead sponsor
Avanti Polar Lipids, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2013 · Synced Sep 11, 2026, 1:27 PM EDT
Recruiting Phase 2 Interventional

Evaluation of a Keto-Like Supplement on Brain Responses to Emotional Stimuli in Depression

NCT06263660
View directory record Official record
Conditions
Depression
Interventions
Keto-like supplement, Placebo
Dietary Supplement
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 11, 2026, 1:27 PM 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 20, 2021 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Phase 1 Interventional

Probiotics and Oxytocin Nasal Spray on Social Behaviors of Autism Spectrum Disorder (ASD) Children

NCT03337035
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
intranasal oxytocin, oral probiotics, oral placebo
Drug · Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
3 Years to 25 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Sep 11, 2026, 1:27 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 25, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Not listed Phase 2 Interventional

The Synergy Trial: Methylphenidate Plus a CFS-Specific Nutrient Formula as a Treatment for Chronic Fatigue Syndrome

NCT01966276
View directory record Official record
Conditions
Chronic Fatigue Syndrome (CFS), Myalgic Encephalomyelitis (ME)
Interventions
Methyl-P plus Nutrient Formula, Methyl-P plus Nutrient matched placebos
Drug
Lead sponsor
K-PAX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Stanford, California • Fort Lauderdale, Florida • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study for the Liquid Chromatography-mass Spectrometry (LC-MS/MS) Assessment of Oxidative DNA Damage in Relation to Antioxidant Usage

NCT01038024
View directory record Official record
Conditions
Cancer
Interventions
1 tablet composed of antioxidants and minerals
Dietary Supplement
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Sep 11, 2026, 1:27 PM EDT
Recruiting Not applicable Interventional

Fermented Food-Supplemented Diet in Ulcerative Colitis

NCT04401605
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Diet Modification, Ulcerative Colitis
Interventions
Fermented Food-supplemented Diet, Regular Diet
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Not applicable Interventional Results available

Vitamin E Supplementation in Hyperinsulinism/Hyperammonemia Syndrome

NCT03797222
View directory record Official record
Conditions
Hyperinsulinism-Hyperammonemia Syndrome
Interventions
Vitamin E
Dietary Supplement
Lead sponsor
Elizabeth A Rosenfeld
Other
Eligibility
1 Year to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2022 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of a Once Daily Calcium and Vitamin D Fortified Food Product to Improve Bone Microarchitecture

NCT02375503
View directory record Official record
Conditions
Bone Alteration, Dietary Modification
Interventions
Calcium/Vitamin D, Placebo
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 42 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 11, 2026, 1:27 PM EDT
Completed Phase 1Phase 2 Interventional Results available

N-acetylcysteine to Reduce Oxidative Stress and Improve Endothelial Function in HIV-infected Older Adults

NCT01962961
View directory record Official record
Conditions
HIV, Endothelial Dysfunction, Oxidative Stress
Interventions
PharmaNAC (N-acetylcysteine), Matching placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 7, 2016 · Synced Sep 11, 2026, 1:27 PM EDT
Not yet recruiting Early Phase 1 Interventional

Sarcopenia in Chronic Kidney Disease (CKD) Patients

NCT07437053
View directory record Official record
Conditions
Chronic Kidney Disease, Sarcopenia
Interventions
Valine, EEA
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
45 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 11, 2026, 1:27 PM EDT
Recruiting Phase 2Phase 3 Interventional

Effects of Ketone Supplementation on Alcohol Withdrawal and Brain Metabolism in Alcohol Use Disorder

NCT06559995
View directory record Official record
Conditions
Alcohol Use Disorder, Alcohol Withdrawal, Ketosis
Interventions
ketone supplement "D-beta-hydroxybutryric acid and R-1,3 butanediol" 12g of ketones,, magnetic resonance imaging session, Placebo beverage
Dietary Supplement · Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 11, 2026, 1:27 PM EDT