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ClinicalTrials.gov public records Last synced Oct 3, 2026, 1:14 AM EDT

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Showing 73–96 of 5,612 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary Supplement Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Two Different Forms of Marine Oil on Indirect Markers of Muscle Damage and Soreness in Untrained Men

NCT03760757
View directory record Official record
Conditions
Inflammation; Muscle
Interventions
ESPO-572®, PCSO-524®
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional

A Nutritional Intervention for Migraines

NCT01547494
View directory record Official record
Conditions
Migraines
Interventions
Vegan Diet, mixture of omega3 and vitamins
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Natriuretic Peptide System in African-Americans.

NCT02730780
View directory record Official record
Conditions
Healthy, Prehypertension
Interventions
Low-Salt Diet, High-Salt Diet
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic Chocolate Study in Multiple Sclerosis

NCT06475183
View directory record Official record
Conditions
Multiple Sclerosis, Healthy Nutrition
Interventions
Bouchard Belgian Dark Chocolate Probiotic Napolitains, containing bifidobacterium longum
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans

NCT05773794
View directory record Official record
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, green tea, or blueberry, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD

NCT03103750
View directory record Official record
Conditions
ADHD
Interventions
Magnetic Resonance Imaging (MRI), PHNO, calcitriol, Placebo oral capsule, high-resolution research tomography, Dextro Amphetamine
Procedure · Drug · Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability and Pharmacokinetic Parameters of Watermelon (Rind, Flesh and Seeds) Polyphenols

NCT03365960
View directory record Official record
Conditions
Healthy Subjects
Interventions
Watermelon Rind, Watermelon Flesh, Watermelon Seeds, Placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional

Impact of Antioxidant Juice Intake on Brain Injury and Placental Pathology in Infants With Intrauterine Growth Restriction (IUGR)

NCT04394910
View directory record Official record
Conditions
Intrauterine Growth Restriction
Interventions
Pomegranate Juice, Placebo Juice
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Cinnamon Spice on Glucose Tolerance in Subjects With Pre-diabetes

NCT04342624
View directory record Official record
Conditions
PreDiabetes, Blood Glucose, High
Interventions
Cinnamon, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 3, 2026, 1:14 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

COcoa Supplement and Multivitamin Outcomes Study: Effects on Falls and Physical Performance

NCT05232669
View directory record Official record
Conditions
Fall, Physical Performance, Fracture
Interventions
Cocoa extract, Cocoa extract placebo, Multivitamin, Multivitamin placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older
Enrollment
21,442 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional

A Prospective Open-label Comparison of Two Vitamin D3 Repletion Strategies in Vitamin D Deficient Patients

NCT01650883
View directory record Official record
Conditions
Vitamin D 25 OH Deficiency
Interventions
Cholecalciferol, Cholecalciferol 5,000 IU
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 26, 2012 · Synced Oct 3, 2026, 1:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Eggshell Membrane and Curcumin Extract Supplementation, Separately or Combined, on Recovery From Intense Exercise

NCT07766720
View directory record Official record
Conditions
Exercise-induced Muscle Soreness, Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Cartilage Turnover
Interventions
NEM® brand eggshell membrane powder, curQ+® brand highly absorbable curcumin, EM Placebo, Curc Placebo, NEM® plus curQ+® combination
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Improving Maternal and Child Health Through Prenatal Fatty Acid Supplementation

NCT02647723
View directory record Official record
Conditions
Pregnancy, Child Development
Interventions
DHA, Sugar pill
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Not listed Phase 1 Interventional

Nutritional Supplements on Blood Pressure 2008

NCT00609570
View directory record Official record
Conditions
Hypertension
Interventions
NanoGreens, Whey protein, Calcium pills
Dietary Supplement
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
20 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 28, 2008 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Gut-brain Axis in Food Reward and Alcohol Consumption

NCT01902069
View directory record Official record
Conditions
Impulsivity, Alcohol Consumption
Interventions
Phospholean, Placebo
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
21 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 3, 2026, 1:14 AM EDT
Active, not recruiting Early Phase 1 Interventional

A Pilot Study on Reverse Aging (The REVERSE Study)

NCT07354620
View directory record Official record
Conditions
Aging
Interventions
Rapamycin (Tablets), Prolon diet
Drug · Dietary Supplement
Lead sponsor
The Christ Hospital
Other
Eligibility
50 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Terminated Phase 2 Interventional

Effects of Pycnogenol on Cardiac Fibrosis and Diastolic Dysfunction in Aged Hypertensive Subjects

NCT00952627
View directory record Official record
Conditions
Cardiac Fibrosis, Diastolic Dysfunction
Interventions
Pycnogenol, Placebo
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
50 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption

NCT00235573
View directory record Official record
Conditions
Disorder of Vitamin B12
Interventions
Vitamin B12
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 49 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 22, 2011 · Synced Oct 3, 2026, 1:14 AM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Trenev Trio®/Healthy Trinity® for Recurrent Gastrointestinal Symptoms

NCT01444859
View directory record Official record
Conditions
Recurrent Gastrointestinal Symptoms
Interventions
Trenev Trio®/Healthy Trinity®, Placebo
Dietary Supplement
Lead sponsor
Sprim Advanced Life Sciences
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • West Lawn, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced Oct 3, 2026, 1:14 AM EDT
Not yet recruiting Not applicable Interventional

Whole Food Fibers for Support of Key Gut Bacteria for Human Health

NCT07840170
View directory record Official record
Conditions
Prediabetes or Overweight
Interventions
Whole food fiber mixture, inulin
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Results available

Effects of Open-label vs Double-blind Treatment in IBS

NCT02802241
View directory record Official record
Conditions
Irritable Bowel Syndrome, Placebo Effect, Placebos, Peppermint Oil
Interventions
placebo, peppermint oil
Drug · Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2024 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of BiosLife on Serum Lipids

NCT00457756
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
BiosLife Complete, Placebo
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 8, 2008 · Synced Oct 3, 2026, 1:14 AM EDT
Completed Not applicable Interventional

The ENHANCE Study: Exercise and Nutrition in Head And Neck CancEr Survivors

NCT05798780
View directory record Official record
Conditions
Oral Cavity Cancer, Oropharynx Cancer, Hypopharynx Cancer, Larynx Cancer
Interventions
ENHANCE Intervention - Exercise and Nutrition, ENHANCE Intervention - Nutrition Only
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 3, 2026, 1:14 AM EDT
Terminated Phase 3 Interventional

Evaluation of an Oral Nutritional Supplement in Older Hospitalized Patients

NCT01477723
View directory record Official record
Conditions
Pneumonia
Interventions
Experimental Oral Nutritional Supplement
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
55 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
12
States / cities
Mobile, Alabama • Chicago, Illinois • Springfield, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2013 · Synced Oct 3, 2026, 1:14 AM EDT