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ClinicalTrials.gov public records Last synced Oct 6, 2026, 7:06 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 313–336 of 5,618 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Dietary Supplement Clear all
Recruiting Early Phase 1 Interventional

Nutrition in Patient With Critical Limb Ischemia

NCT03529019
View directory record Official record
Conditions
Critical Limb Ischemia, Malnutrition, Nutritional Supplements
Interventions
Ensure Surgery Immunonutrition Shake, Ensure Enlive Advanced Nutrition Shake
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 6, 2026, 7:06 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Strength Training and Resveratrol

NCT06585865
View directory record Official record
Conditions
Sarcopenia, Anabolic Resistance
Interventions
Resistance training, Resveratrol 500 mg oral once daily., Placebo
Behavioral · Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
60 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 6, 2026, 7:06 PM EDT
Enrolling by invitation Phase 2 Interventional

Long-Term Follow-Up Study of RGX-314 Administered in the Suprachoroidal Space for Participants With nAMD

NCT05210803
View directory record Official record
Conditions
Neovascular Age-Related Macular Degeneration (nAMD)
Interventions
Standard of Care, Ranibizumab
Drug
Lead sponsor
AbbVie
Industry
Eligibility
Not listed
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
16
States / cities
Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Phase 3 Interventional

Isotretinoin, Interferon Alfa, and Vitamin E in Treating Patients With Stage III or Stage IV Head and Neck Cancer

NCT00054561
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
recombinant interferon alfa, vitamin E, isotretinoin, adjuvant therapy
Biological · Dietary Supplement · Drug + 1 more
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
82
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Duarte, California + 57 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Phase 2 Interventional

Study of the Efficacy of Larazotide Acetate to Treat Celiac Disease

NCT00889473
View directory record Official record
Conditions
Celiac Disease
Interventions
Larazotide acetate, Placebo, Gluten 900 mg
Drug · Dietary Supplement
Lead sponsor
9 Meters Biopharma, Inc.
Industry
Eligibility
18 Years to 72 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
14
States / cities
Orange, California • Topeka, Kansas • Lexington, Kentucky + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2017 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

NCT01052051
View directory record Official record
Conditions
Cancer
Interventions
Vitamin D3, Calcium carbonate
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
55 Years and older · Female only
Enrollment
2,303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Fremont, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Phase 2 Interventional

Lycopene in Treating Patients With Metastatic Prostate Cancer

NCT00068731
View directory record Official record
Conditions
Prostate Cancer
Interventions
lycopene
Dietary Supplement
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
18
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Atlanta, Georgia + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 6, 2026, 7:06 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pistachio Intake and Nutrition-Related Outcomes in Individuals on GLP-1 Therapy

NCT07244445
View directory record Official record
Conditions
Dietary Change, Obesity & Overweight, Food Acceptance
Interventions
Pistachios, Dual-energy X-ray absorptiometry (DEXA) scans
Dietary Supplement · Procedure
Lead sponsor
Ian J. Neeland, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Clevland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Three New Ideas to Protect Special Forces From the Stress of High Altitude

NCT02463357
View directory record Official record
Conditions
Mountain Sickness
Interventions
Quercetin, Nifedipine extended release, Methazolamide, Metformin, Placebo, Nitrite
Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Alma, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Alpha-GPC on Muscle Power, GH Levels, and Cognitive Function

NCT06690619
View directory record Official record
Conditions
Cognition - Other, Strength Outcomes
Interventions
Placebo, 315 mg Alpha-GPC, 630 mg Alpha-GPC
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional Results available

Double-Blind Trial of a Probiotic Supplement to Reduce the Symptoms of Schizophrenia

NCT01242371
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Probiotic Supplement, Identical-appearing Placebo
Dietary Supplement
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Oct 6, 2026, 7:06 PM EDT
Withdrawn Not applicable Interventional

Neuroimaging and Neurocognitive Assessment and Response to Sapropterin Dihydrochloride Treatment in Phenylketonuria

NCT01412437
View directory record Official record
Conditions
PKU
Interventions
diet, sapropterin dihydrochloride
Dietary Supplement · Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
18 Years to 40 Years
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 Dec 17, 2014 · Synced Oct 6, 2026, 7:06 PM EDT
Recruiting Phase 2 Interventional

Influence of β-hydroxy β-methyl Butyrate (HMB)Supplementation on Post-operative Muscle Mass and Function in Female Athletes

NCT05869812
View directory record Official record
Conditions
Atrophy
Interventions
CaHMB (Dietary supplement, not Drug), CaLa
Drug · Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 6, 2026, 7:06 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Botanical Blend on the Gut Microbiome and Gut-Skin-Axis in Small Intestinal Bacterial Overgrowth (SIBO)

NCT04867512
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth (SIBO)
Interventions
Liquid Tincture, GI Detox, Olivirex
Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Oct 6, 2026, 7:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Applying Nutrient Drink Test in Understanding Pathophysiology of CVS

NCT03470181
View directory record Official record
Conditions
Cyclic Vomiting Syndrome
Interventions
Ensure
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional Results available

Meals for Moms: Medically-Tailored Meals for Women Who Had Gestational Diabetes

NCT04866823
View directory record Official record
Conditions
Diabetes, Gestational, Gestational Weight Gain, Postpartum Weight Retention
Interventions
Medically Tailored Meals
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 6, 2026, 7:06 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Lutein, Zeaxathin, and Fish Oil Supplementation

NCT06489873
View directory record Official record
Conditions
Cognitive Performance, Age-Related Macular Degeneration, Bone Loss
Interventions
Active Comparator (Lutein, zeaxanthin, and fish oil supplement (LZF), Placebo Comparator
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional

Pet Ownership and Glucose Control in Early Adolescents With Type 1 Diabetes

NCT03761251
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Adolescent Behavior
Interventions
Pet Fish
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
10 Years to 13 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Terminalia Chebula Fruit Extract on the Gut Microbiome and Skin Biophysical Properties

NCT04597502
View directory record Official record
Conditions
Human Microbiome
Interventions
Terminalia Chebula fruit extract, Placebo, Topical Terminalia Chebula, Topical Placebo
Dietary Supplement · Other
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
25 Years to 55 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Phase 3 Interventional

Atkins Plus KetoCal for Childhood Epilepsy

NCT00681239
View directory record Official record
Conditions
Epilepsy
Interventions
Modified Atkins diet and KetoCal
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
3 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 31, 2009 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional

B. Lactis B94 Effects of Gastrointestinal Function

NCT03277157
View directory record Official record
Conditions
Quality of Life
Interventions
B. lactis B94, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
3
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 6, 2026, 7:06 PM EDT
Completed Not applicable Interventional Results available

Lactobacillus Rhamnosus GG in Reducing Incidence of Graft-Versus-Host Disease in Patients Who Have Undergone Donor Stem Cell Transplant

NCT02144701
View directory record Official record
Conditions
Graft Versus Host Disease
Interventions
Lactobacillus rhamnosus GG, laboratory biomarker analysis was not performed because of no differences in the clinical outcomes
Dietary Supplement · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 6, 2026, 7:06 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Prevention of Postoperative Nausea and Vomiting After Bariatric Surgery

NCT04644445
View directory record Official record
Conditions
Bariatric Surgery Candidate, Postoperative Nausea and Vomiting, Morbid Obesity
Interventions
Bariatric Full Liquid Diet
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Oct 6, 2026, 7:06 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Yeast Mannans and Stool Frequency

NCT06911177
View directory record Official record
Conditions
Defecation Frequency
Interventions
Yeast mannan, Control (placebo)
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 6, 2026, 7:06 PM EDT