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ClinicalTrials.gov public records Last synced Oct 7, 2026, 10:29 PM EDT

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Showing 385–408 of 5,619 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary Supplement Clear all
Completed Phase 1Phase 2 Interventional Results available

Fish Oil and Alpha Lipoic Acid in Treating Alzheimer's Disease

NCT00090402
View directory record Official record
Conditions
Alzheimer's Disease, Oxidative Stress, Dementia, Hyperlipidemia, Inflammation
Interventions
Fish Oil, Lipoic Acid, Fish Oil Placebo, Lipoic Acid Placebo
Dietary Supplement · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 7, 2026, 10:29 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Investigating the Effectiveness of 2 Different Doses of BIOHM FX Probiotic Blend in Improving Digestive Symptoms

NCT06782945
View directory record Official record
Conditions
Moderate Gastrointestinal Discomfort
Interventions
BIOHM FX Probiotic Blend
Dietary Supplement
Lead sponsor
Biohm Technologies
Industry
Eligibility
18 Years to 75 Years
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2025 · Synced Oct 7, 2026, 10:29 PM EDT
Recruiting Not applicable Interventional

Growth and Tolerance of Plant-based Enteral Formulas in Children Ages 12-17 Months.

NCT07231705
View directory record Official record
Conditions
Formula Dependent Children 1 to 2 Years of Age
Interventions
Kate Farms Standard 1.2 or Peptide 1.0
Dietary Supplement
Lead sponsor
Kate Farms Inc
Industry
Eligibility
12 Months to 17 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Kombucha on Blood Sugar Levels in Humans

NCT04051294
View directory record Official record
Conditions
Glucose, Glucose Metabolism Disorders (Including Diabetes Mellitus), Blood Sugar; High
Interventions
Commercial kombucha tea, Brewed kombucha tea, Control: Tea, Control: Water
Dietary Supplement · Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
30 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Phase 3 Interventional Results available

Pioglitazone vs Vitamin E vs Placebo for Treatment of Non-Diabetic Patients With Nonalcoholic Steatohepatitis (PIVENS)

NCT00063622
View directory record Official record
Conditions
Liver Diseases
Interventions
Pioglitazone, Vitamin E, Matching placebo
Drug · Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
8
States / cities
San Diego, California • San Francisco, California • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 7, 2026, 10:29 PM EDT
Recruiting Not applicable Interventional

Viome Nutritional Programs to Improve Clinical Outcomes for Gastrointestinal Conditions

NCT05465629
View directory record Official record
Conditions
Gastrointestinal Health
Interventions
VIOME Precision Nutrition Program, VIOME-designed condition-based supplements
Combination Product · Dietary Supplement
Lead sponsor
Viome
Industry
Eligibility
25 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Phase 2 Interventional Results available

Prebiotics and Metformin Improve Gut and Hormones in Type 2 Diabetes in Youth (MIGHTY-fiber)

NCT04209075
View directory record Official record
Conditions
Diabetes
Interventions
Biomebliss, Metformin, Placebo
Dietary Supplement · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
10 Years to 25 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Oct 7, 2026, 10:29 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Genetic Architecture of Natriuretic Peptides and Blood Pressure Response

NCT07118592
View directory record Official record
Conditions
Hypertension (HTN), Cardiometabolic Diseases
Interventions
Low Salt Diet, High Salt Diet, Saline Infusion
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 7, 2026, 10:29 PM EDT
Terminated Phase 4 Interventional Results available

A Study of Glutathione in Children With Autism Spectrum Disorder

NCT05954052
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Glutathione
Drug
Lead sponsor
University of Chicago
Other
Eligibility
4 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Phase 3 Interventional Results available

Brief Rifapentine-Isoniazid Evaluation for TB Prevention (BRIEF TB)

NCT01404312
View directory record Official record
Conditions
Tuberculosis, HIV Infections
Interventions
Rifapentine (RPT), Isoniazid (INH), Pyridoxine (Vitamin B6)
Drug · Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
21
States / cities
La Jolla, California • Los Angeles, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Fitness Drink Formulas on Energy Expenditure and Fat Metabolism

NCT04455009
View directory record Official record
Conditions
Caffeine, Diet, Healthy, Fat Burn, Cognitive Change, Fatigue
Interventions
Fitness Drink Formula
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 35 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jul 2, 2020 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Melatonin in Pediatric FD Population

NCT04684199
View directory record Official record
Conditions
Dyspepsia
Interventions
Melatonin, Placebo
Dietary Supplement
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 24, 2020 · Synced Oct 7, 2026, 10:29 PM EDT
Terminated Not applicable Interventional

A Surgical Approach to the Management of Type II Diabetes Mellitus in Patients With a BMI Between 25-35 kg/m2

NCT01197963
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Sleeve Gastrectomy and Ileal transposition, dietary and medical management
Procedure · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
21 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Bellaire, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2015 · Synced Oct 7, 2026, 10:29 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Milk Oriented Microbiota

NCT03222804
View directory record Official record
Conditions
Microbial Colonization
Interventions
Bifidobacterium
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional

Prevention of Osteoporosis in Breast Cancer Survivors

NCT00567606
View directory record Official record
Conditions
Postmenopausal Osteoporosis
Interventions
Strength/Weight Training & Drug/Supplement, Drug/Supplement only
Other · Combination Product
Lead sponsor
University of Nebraska
Other
Eligibility
35 Years to 75 Years · Female only
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
4
States / cities
Kearney, Nebraska • Lincoln, Nebraska • Omaha, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Research on Anxiety and Depression: Computer-Assisted Therapy

NCT02817438
View directory record Official record
Conditions
Mood Disorders, Anxiety Disorders
Interventions
Good Days Ahead
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Alpha Lipoic Acid Supplementation on Metabolic Syndrome Markers in Young Overweight or Obese Males

NCT03342599
View directory record Official record
Conditions
Metabolic Syndrome, Obesity
Interventions
Alpha Lipoic Acid Supplement, Placebo
Dietary Supplement
Lead sponsor
University of La Verne
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
La Verne, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sparking Gut Bacteria Production of Bioactive Xenolipids in Situ

NCT06313606
View directory record Official record
Conditions
Dietary Fat Metabolism
Interventions
Dietary fat positive control, Dietary fat negative control
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of an Herbal Tea on Immune Surveillance and Activation.

NCT04491461
View directory record Official record
Conditions
Active Immune Response
Interventions
Herbal tea blend, Warm water
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Phase 2 Interventional Results available

Exemestane and Celecoxib in Postmenopausal Women at High Risk for Breast Cancer

NCT00073073
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Exemestane, Calcium carbonate, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Georgetown University
Other
Eligibility
Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Phase 2 Interventional Results available

Fatty Acid Supplementation in Children With ASD (Study 2)

NCT04312932
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
LCPUFA Oil Supplement, Canola Oil Placebo
Drug · Dietary Supplement
Lead sponsor
Sarah Keim
Other
Eligibility
2 Years to 6 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 7, 2026, 10:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive Screening Made Easy for PCPs - Administrative Supplement

NCT06928298
View directory record Official record
Conditions
Cognitive Impairment, Cognitive Decline, Dementia, Mild
Interventions
RACS app
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Austin, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin E and Infection in the Elderly

NCT00758914
View directory record Official record
Conditions
Respiratory Infection, Elderly
Interventions
Vitamin E
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
65 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1997
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2008 · Synced Oct 7, 2026, 10:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Turmeric and Turmeric-containing Tablets and Sebum Production

NCT03065504
View directory record Official record
Conditions
Skin Inflammation
Interventions
Turmeric, Turmeric-containing combination tablet, Placebo tablets
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Oct 7, 2026, 10:29 PM EDT