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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dietary Supplementations Clear all
Terminated Phase 2Phase 3 Interventional Results available

Fish Oil Versus Statins Versus Placebos in Reducing Atrial Fibrillation in Patients Undergoing Thoracic Surgery for Lung Cancer

NCT01259284
View directory record Official record
Conditions
Advanced Cancers
Interventions
Atorvastatin, Fish Oil Supplement, Placebo
Drug · Dietary Supplement · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2012 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Methionine Tolerance in Healthy Human Adults

NCT02566434
View directory record Official record
Conditions
Healthy
Interventions
methionine
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
40 Years to 79 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 28, 2026, 3:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

An Efficacy Study of a Dietary Supplement Drink Mix for Urinary Health Improvement

NCT07453693
View directory record Official record
Conditions
UTI's
Interventions
FLUSH
Dietary Supplement
Lead sponsor
Bonafide Health
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Harrison, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Muscadine Grape Seed Supplementation and Vascular Function

NCT01011517
View directory record Official record
Conditions
Dietary Supplements
Interventions
Muscadine grape seed supplement
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Phase 1 Interventional Results available

Reducing Dyskinesia in Parkinson's Disease With Omega-3 Fatty Acids

NCT01563913
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Docosahexaenoic Acid (DHA), Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 99 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 28, 2018 · Synced Sep 28, 2026, 3:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of a Synbiotic Supplement on a High-protein Diet

NCT03123510
View directory record Official record
Conditions
Obesity
Interventions
Bifidobacterium spp plus bimuno- galacto-oligosaccharides, Placebo
Dietary Supplement
Lead sponsor
South Dakota State University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Sep 28, 2026, 3:59 PM EDT
Completed No phase listed Observational

Finding Opportunities for Clinical Care and Trial Participation Among Underrepresented Samples

NCT03390023
View directory record Official record
Conditions
Pregnancy Related
Interventions
Focus Group
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Timeline
2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 11, 2019 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Lactobacillus Rhamnosus GG ATCC 53103 (LGG) in Healthy Volunteers

NCT00934453
View directory record Official record
Conditions
Healthy
Interventions
Lactobacillus rhamnosus GG ATCC 53103, Placebo
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Microalgae Extract Dietary Supplement on Gut Health, Anxiety, and Immune Function

NCT06425094
View directory record Official record
Conditions
Gastrointestinal Problem, Anxiety, Stress, Gastrointestinal Symptoms
Interventions
Microalgae Extract Capsules, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Effect of an Amino Acid Mixture on Lean Body Mass (LBM) in Post-bariatric Surgery Patients

NCT00473356
View directory record Official record
Conditions
Obesity, Post-gastric Bypass
Interventions
receive amino acid supplement
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 18, 2013 · Synced Sep 28, 2026, 3:59 PM EDT
Not listed Phase 2Phase 3 Interventional

The Influence of PRN Omega-3 Nutritional Supplement on Visual Acuity

NCT02260973
View directory record Official record
Conditions
Cataract, Dry Eye Disease
Interventions
Omega-3 (Triglyceride form)
Dietary Supplement
Lead sponsor
Physician Recommended Nutriceuticals
Industry
Eligibility
30 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Lexington, Kentucky • Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Dietary Supplement Containing L-Arabinose and Trivalent Patented Food-source of Chromium on Blood Glucose and Insulin

NCT01107431
View directory record Official record
Conditions
Pre-diabetes
Interventions
L-Arabinose and Chromium, Sucrose without dietary Supplement
Dietary Supplement
Lead sponsor
Integrative Health Technologies, Inc.
Network
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2011 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Results available

Response to Supplement and Placebo in GERD

NCT01915173
View directory record Official record
Conditions
Gastroesophageal Reflux Disease (GERD), Heartburn, Dyspepsia
Interventions
Supplement, Placebo, Expanded Interview, Standard Interview
Drug · Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Sep 28, 2026, 3:59 PM EDT
Recruiting Phase 1 Interventional

Honokiol in Early-Stage Resectable Non-Small Cell Lung Cancer

NCT06566443
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Honokiol
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short-Term Rhodiola Rosea for Anaerobic Performance and Cognitive Function in Resistance-Trained Adults

NCT07225413
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Rhodiola rosea (low dose), Rhodiola rosea (high dose), Placebo capsules
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Weeks to 40 Weeks
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Jacksonville, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 28, 2026, 3:59 PM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Branched-chain Amino Acid Supplementation for Hepatocellular Carcinoma

NCT03908255
View directory record Official record
Conditions
Hepatocellular Carcinoma, Cirrhosis, Liver Failure
Interventions
Branch Chain Amino Acid, maltodextrin
Drug · Other
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 27, 2022 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of an Electrolyte Supplement on Women's Wellness

NCT07765420
View directory record Official record
Conditions
Low Energy, Dehydration, Bloating, Women's Wellness
Interventions
Daily Love Electrolytes
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Vitamin A Absorption From Fortified Bouillon

NCT06438562
View directory record Official record
Conditions
Healthy Volunteers, Vitamin A
Interventions
Unfortified bouillon plus vitamin A in oil, Bouillon fortified with vitamin A #1 plus unfortified oil, Bouillon fortified with vitamin A #2 plus unfortified oil
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Early Phase 1 Interventional

A Targeted Amino Acid Supplement for People With Parkinson's Disease

NCT06954662
View directory record Official record
Conditions
Parkinson Disease, Idiopathic
Interventions
Amino acid supplement, Whey Protein Supplement, Isonitrogenous Placebo Supplement
Drug · Dietary Supplement
Lead sponsor
UConn Health
Other
Eligibility
55 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional

Effects of Soy Based Dietary Supplements on Cardiometabolic Risk Factors.

NCT02490683
View directory record Official record
Conditions
Obesity, Cardiovascular Risk Factors
Interventions
Luna Rich X, Placebo, Reliv Now
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
35 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of an Oral Nutritional Supplement

NCT01781624
View directory record Official record
Conditions
Gastro-intestinal Tolerance
Interventions
Study Oral Nutritional Supplement
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
60 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Sep 28, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Markers of Male Fertility

NCT07740161
View directory record Official record
Conditions
Male Infertility, Low Sperm Quality, Low Testosterone, Low Energy, Low Libido
Interventions
WeNatal For Him Supplement
Dietary Supplement
Lead sponsor
WeNatal
Industry
Eligibility
30 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of a Nutritional Supplement on Sleep Quality

NCT07345260
View directory record Official record
Conditions
Sleep, Sleep Quality
Interventions
Novel powdered sleep supplement, Placebo
Dietary Supplement
Lead sponsor
Athletic Greens International
Industry
Eligibility
35 Years to 65 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 28, 2026, 3:59 PM EDT
Withdrawn Phase 4 Interventional

Augmented Macular Pigment-containing Nutraceutical and Central Visual Function

NCT04676126
View directory record Official record
Conditions
Glaucoma, Glaucoma Eye, Glaucoma, Open-Angle
Interventions
Lumega-Z, Dorzolamide Hcl 2% Oph Soln, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Sep 28, 2026, 3:59 PM EDT