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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:53 PM EDT

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Showing 1–24 of 103 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: maltodextrin supplement Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Mechanism of Microbiome-induced Insulin Resistance in Humans (Aim2)

NCT02127125
View directory record Official record
Conditions
Insulin Sensitivity
Interventions
Maltodextrin, Synbiotic, Sevelamer
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2020 · Synced Oct 21, 2026, 10:53 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of a Nutritional Supplement on Gut Microbiota in Adults

NCT06611215
View directory record Official record
Conditions
Changes in Gut Microbiota with Prebiotic Supplementation, Quality of Life
Interventions
Treatment, Placebo
Dietary Supplement
Lead sponsor
Pharmavite LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of a Nutritional Supplement on Skin Health in Generally Healthy Adults

NCT03771807
View directory record Official record
Conditions
Skin Health
Interventions
Beauty From Within, Placebo, Facial cleansing
Dietary Supplement · Other
Lead sponsor
Pharmanex
Industry
Eligibility
40 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional

Prebiotics, Gut Microbiota, and Cardiometabolic Health

NCT02346838
View directory record Official record
Conditions
Prediabetes
Interventions
Inulin, Placebo
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Green Tea and Reduction of Breast Cancer Risk

NCT00917735
View directory record Official record
Conditions
Breast Cancer
Interventions
Green tea extract supplement, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
1,075 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
5
States / cities
Edina, Minnesota • Maple Grove, Minnesota • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2016 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single Group Study to Evaluate the Efficacy of Bye Bye Bloat Capsules in Relieving Bloating and Promoting Healthy Digestion.

NCT06516744
View directory record Official record
Conditions
Digestive Health, Digestion
Interventions
Bye Bye Bloat Capsules
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 21, 2026, 10:53 PM EDT
Active, not recruiting Not applicable Interventional

Prebiotic Treatment in People With Schizophrenia

NCT05527210
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Prebiotic, Placebo Prebiotic
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Black Cumin Seed Oil Supplementation on Cortisol, Stress and Mood

NCT06950424
View directory record Official record
Conditions
Stress, Mood
Interventions
black cumin seed oil
Dietary Supplement
Lead sponsor
Shawn Talbott
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Plymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 21, 2026, 10:53 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluating the Effects of a Synbiotic Versus Probiotic or Placebo on Gut Microbiota and Cardiometabolic Health: A Randomized Double-Blind Placebo Controlled Trial

NCT06544915
View directory record Official record
Conditions
Blood Pressure, Body Composition, Immune Function
Interventions
Synbiotic, Probiotic, Placebo
Dietary Supplement
Lead sponsor
Skidmore College
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of a Fiber Supplement on Gut Health

NCT07755735
View directory record Official record
Conditions
Gut Health, Bloating, Irregular Bowel Movements, Gastrointestinal Symptoms
Interventions
Active Supplement, Placebo Comparator
Dietary Supplement
Lead sponsor
Belli Welli Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Phage-based Control and Limitation of Pathobionts for Microbiome Equilibrium and Resilience

NCT07816809
View directory record Official record
Conditions
Gastrointestinal Symptoms, Skin Quality
Interventions
Bacteriophages - MuniPhage, Bacteriophages - RenuPhage, Placebo
Dietary Supplement · Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Collagen Peptide Supplementation on Connective Tissue Remodeling, Functional Outcomes, and Wound Healing After Total Knee Arthroplasty (TKA)

NCT05823727
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
SOLUGEL, Placebo
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication

NCT07806838
View directory record Official record
Conditions
Obesity & Overweight, Muscle Mass and Strength, Muscle Function
Interventions
Whey Protein Supplementation, Maltodextrin Placebo Capsules, Mixed Spice Capsules
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Nutritional Supplement on Nutrient Status and Quality of Life

NCT06332898
View directory record Official record
Conditions
Nutrition, Healthy, Gastrointestinal Microbiome, Healthy Aging
Interventions
AG1 - Nutritional Supplement, Placebo
Dietary Supplement
Lead sponsor
Athletic Greens International
Industry
Eligibility
18 Years to 60 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving the Iron Status of Athletes With Pre-, Pro- and Synbiotics

NCT06021171
View directory record Official record
Conditions
Iron-deficiency, Iron Deficiency Anemia, Iron Deficiency (Without Anemia)
Interventions
Partially hydrolyzed guar gum + bifidobacterium lactis, Partially hydrolyzed guar gum, Maltodextrin
Dietary Supplement
Lead sponsor
King's College
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adult HMO Supplementation and the Gut Microbiome

NCT06570330
View directory record Official record
Conditions
Healthy Adults
Interventions
SuperHMO, Non-GMO corn Maltodextrin, Rapid Absorption
Dietary Supplement
Lead sponsor
Seeding Inc
Industry
Eligibility
18 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy of a Probiotic Supplement

NCT05425329
View directory record Official record
Conditions
Gastrointestinal Discomfort
Interventions
I3.1, Placebo treatment
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
20 Years to 50 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fiber and Fish Oil Supplements for the Prevention of Colorectal Cancer

NCT04211766
View directory record Official record
Conditions
Healthy Subject
Interventions
Dietary Fiber, Fish Oil, Comparator
Dietary Supplement · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
50 Years to 75 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Oral Fructanase Administration on Gastrointestinal Symptoms After Inulin Challenge in Healthy Adults

NCT06628869
View directory record Official record
Conditions
Digestive Health, Gastrointestinal Health, FODMAP Intolerance, Food Sensitivity
Interventions
Fructanase, Maltodextrin placebo
Dietary Supplement
Lead sponsor
BIO-CAT, Inc.
Industry
Eligibility
20 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Microbial Protease Supplementation on Postprandial Amino Acid Levels

NCT04821557
View directory record Official record
Conditions
Protein Metabolism
Interventions
Protease + Protein, Placebo + Protein
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 5, 2024 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prenatal Probiotic Intervention

NCT03240419
View directory record Official record
Conditions
Childhood Obesity, Maternal Obesity During Childbirth, Insulin Resistance, Inflammation
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Probiotic Intake on Intestinal Permeability in Healthy Adults

NCT03611400
View directory record Official record
Conditions
Intestinal Barrier Function
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 21, 2019 · Synced Oct 21, 2026, 10:53 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

L. Acidophilus (Strain TW01) on Gut Health, Body Composition, and Inflammation

NCT06912100
View directory record Official record
Conditions
Overweight (BMI > 25), Obese, Otherwise Healthy Volunteers
Interventions
Placebo, Probiotic
Dietary Supplement
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 21, 2026, 10:53 PM EDT
Completed Not applicable Interventional

"Night Vision and Carotenoids"

NCT04741763
View directory record Official record
Conditions
Macular Degeneration
Interventions
EyePromise Visual Edge
Dietary Supplement
Lead sponsor
Robert Davis
Other
Eligibility
50 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
North Chicago, Illinois • Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Oct 21, 2026, 10:53 PM EDT