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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional

Effects of Nutritional Supplementation on Protein and Energy Homeostasis in Malnourished Chronic Hemodialysis Patients

NCT00244075
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
nutritional supplement, recombinant human growth hormone (rcGH), exercise
Dietary Supplement · Drug · Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 75 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2006
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 24, 2015 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of a Sleep Supplement to Improve Sleep in Women Going Through Menopause

NCT07375095
View directory record Official record
Conditions
Sleep Disturbance
Interventions
Sleep Supplement, Placebo
Dietary Supplement · Drug
Lead sponsor
Bonafide Health
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Harrison, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Cognitive Function and Energy Levels

NCT07755475
View directory record Official record
Conditions
Cognitive Function, Fatigue, Energy Levels, Mental Clarity, Brain Fog, Food Cravings
Interventions
Cellular Hydration Supplement
Dietary Supplement
Lead sponsor
Artah Nutrition Limited
Industry
Eligibility
25 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Active, not recruiting Phase 2 Interventional

Probiotics to Prevent Relapse After Hospitalization for Bipolar Depression

NCT03349528
View directory record Official record
Conditions
Bipolar Depression
Interventions
Probiotic Supplement, Inert Compound
Biological
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Effects of Citicoline on Attention in Healthy Mean and Women

NCT04967157
View directory record Official record
Conditions
Healthy
Interventions
Placebo supplement, Citicoline supplement
Dietary Supplement
Lead sponsor
Kirin Holdings Company, Limited
Industry
Eligibility
35 Years to 75 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 2, 2026, 2:26 PM EDT
Recruiting Phase 2 Interventional

Biomarker-based Trial of NPC-1 for Alzheimer's Pathology

NCT07236190
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment (MCI), Subjective Cognitive Decline (SCD)
Interventions
natural product combination-1 (NPC1)
Combination Product
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional

PictureRx: An Intervention to Reduce Latino Health Disparities (Supplement: Medical Icons)

NCT01618461
View directory record Official record
Conditions
Understanding of Medication Instructions, Recall of Medication Instructions
Interventions
Drug indication icons, Structured instructions
Behavioral
Lead sponsor
PictureRx, LLC
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 12, 2012 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional

Whipple Protein Study

NCT04306874
View directory record Official record
Conditions
Pancreatic Cancer, Malnutrition
Interventions
Ensure Max Protein
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Results available

Effect of Supplemental Vitamin D on Skeletal Muscle Function in Chronic Obstructive Pulmonary Disease (COPD) Patients

NCT00914810
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Vitamin D (cholecalciferol), Placebo
Dietary Supplement
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
40 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 2, 2026, 2:26 PM EDT
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Prevention of Age-associated Cardiac and Vascular Dysfunction Using Avmacol ES

NCT05408559
View directory record Official record
Conditions
Diastolic Dysfunction, Systolic Dysfunction, Diastolic Heart Failure
Interventions
Sulforaphane
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
60 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Nutritional Supplement, Eccentric Exercise and Recovery

NCT01444170
View directory record Official record
Conditions
Injury, Inflammation
Interventions
dicreatinol sulfate, placebo sugar pill
Dietary Supplement · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 25 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Time Restricted Eating With or Without a Fiber Supplement for Weight Management in Pediatric Cancer Survivors

NCT05826184
View directory record Official record
Conditions
Weight, Body
Interventions
Time restircted eating, Time restricted eating + prebiotic
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 39 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

The Study of Soy Isoflavones in Asthma

NCT01052116
View directory record Official record
Conditions
Asthma
Interventions
Soy isoflavone supplement, Placebo
Drug
Lead sponsor
American Lung Association Asthma Clinical Research Centers
Other
Eligibility
12 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
18
States / cities
Tucson, Arizona • San Diego, California • Denver, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Effect of Botanical Dietary Supplements on Inflammation in Healthy People

NCT00303238
View directory record Official record
Conditions
Healthy
Interventions
Rose hips extract + blueberry/blackberry extract + resveravine, Rose hips extract + blueberry/blackberry extract + Aframomum melegueta extract, Rose hips extract + resveravine + Aframomum melegueta extract
Drug
Lead sponsor
Access Business Group
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
8
States / cities
Artesia, California • Buena Park, California • Burbank, California + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2006 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of a Prebiotic and Probiotic Supplement to Provide Relief From Symptoms Associated With Bacterial Vaginosis and Yeast Infections.

NCT06665126
View directory record Official record
Conditions
Bacterial Vaginosis, Yeast Infection
Interventions
Prebiotic + Probiotic Supplement, Active Placebo Supplement, Excipient Placebo Supplement
Dietary Supplement
Lead sponsor
Happy V
Industry
Eligibility
25 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

Supplemental Calcium in Overweight People

NCT00030238
View directory record Official record
Conditions
Obesity
Interventions
Calcium supplement, Placebo
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 21, 2019 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Natreon Healthy Skin Study - PrimaVie Supplement

NCT02762032
View directory record Official record
Conditions
Healthy
Interventions
PrimaVie Herbal Supplement 125, PrimaVie Herbal Supplement 250, Placebo
Dietary Supplement · Drug
Lead sponsor
Ohio State University
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
3
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 4 Interventional

MP Diagnostics HTLV Blot 2.4 Post-Market Clinical Study

NCT03226119
View directory record Official record
Conditions
HTLV-I Infections, HTLV-II Infections, Human T-lymphotropic Virus 1, Human T-lymphotropic Virus 2, HTLV I Associated T Cell Leukemia Lymphoma, HTLV I Associated Myelopathies
Interventions
MP Diagnostics HTLV Blot 2.4
Diagnostic Test
Lead sponsor
MP Biomedicals, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • San Antonio, Texas • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Sep 2, 2026, 2:26 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of GlutenShield, a Prebiotic, Probiotic, and Enzyme Supplement, on the Gut Microbiome of Adults With GI Symptoms

NCT03403387
View directory record Official record
Conditions
Gastrointestinal Symptoms
Interventions
GlutenShield, Placebo
Dietary Supplement · Other
Lead sponsor
East Tennessee State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Johnson City, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a Supplement to Promote Gut Health

NCT05831527
View directory record Official record
Conditions
Gastrointestinal Symptoms, Exercise Performance
Interventions
ARMRA™ Bovine Colostrum
Drug
Lead sponsor
Armra
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Phase 2Phase 3 Interventional

A Placebo-Controlled Study of Collagen Hydrolysate in Subjects With Knee Osteoarthritis (OA)

NCT00536302
View directory record Official record
Conditions
Knee Osteoarthritis (OA)
Interventions
Collagen Hydrolysate, Placebo
Dietary Supplement
Lead sponsor
GELITA
Industry
Eligibility
49 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 5, 2009 · Synced Sep 2, 2026, 2:26 PM EDT
Recruiting Early Phase 1 Interventional

Supplemental Oxygen in Pulmonary Embolism (SO-PE)

NCT05891886
View directory record Official record
Conditions
Pulmonary Embolism, Venous Thromboembolism, Metabolomics, Oxygen Inhalation Therapy
Interventions
Oxygen Therapy, Non-rebreather mask
Drug · Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of a Dietary Supplement in Lowering SAH in Healthy Adults With Elevated Plasma SAH and Normal Homocysteine Levels

NCT05994794
View directory record Official record
Conditions
Elevated S-adenosylhomocysteine
Interventions
Alpha-GPC, Creatine and Ashwagandha (Sensoril®), Placebo
Dietary Supplement · Other
Lead sponsor
Standard Process Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
South Gate, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Sep 2, 2026, 2:26 PM EDT
Completed Not applicable Interventional

Fish Oil to Prevent Asthma Exacerbations in Patients With ALOX5 Polymorphisms

NCT00621829
View directory record Official record
Conditions
Asthma
Interventions
EPA enriched fish oils
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 2, 2026, 2:26 PM EDT