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ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:04 PM EDT

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Showing 25–48 of 272 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Maltodextrin Clear all
Completed Not applicable Interventional

Grape Seed Extract and Postprandial Oxidation and Inflammation

NCT01190358
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Placebo, Grape seed extract
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
2
States / cities
Davis, California • Mather, California
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Resistant Starch in a Beverage on Post-prandial Glycemic and Insulinemic Responses

NCT02161250
View directory record Official record
Conditions
Hyperglycemia, Diabetes, and Obesity
Interventions
Resistant Starch, Control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 29 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Early Phase 1 Interventional

Oral Ketones and Exercise Among Patients With Long-chain Fatty Acid Oxidation Disorders

NCT05411835
View directory record Official record
Conditions
Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency, Carnitine Palmitoyltransferase Deficiency 2, Very Long Chain Acyl Coa Dehydrogenase Deficiency, Trifunctional Protein Deficiency
Interventions
Nutritional Ketone Supplement, Isocaloric Placebo Supplement
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Oct 19, 2026, 2:04 PM EDT
Not yet recruiting Not applicable Interventional

Impact of a Human Origin Heat Inactivated Probiotic-Lactobacillus Paracasei D3.5 (LpD3.5) as Dietary Supplement on Gut Mucin and Intestinal Permeability in Adults With IBD

NCT07017959
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
LpD3.5 supplementation., Placebo
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 19, 2026, 2:04 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 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults

NCT04048616
View directory record Official record
Conditions
Age-Related Sarcopenia, Muscle Loss
Interventions
whey protein isolate, potassium bicarbonate (KHCO3), microcrystalline cellulose, maltodextrin powder
Dietary Supplement · Other
Lead sponsor
Tufts University
Other
Eligibility
65 Years and older
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional

The Use of A Prebiotic to Promote a Healthy Gut Microbiome in Pediatric Stem Cell Transplant Recipients

NCT04111471
View directory record Official record
Conditions
Microbial Colonization
Interventions
Prebiotics, Placebos
Dietary Supplement
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Oct 19, 2026, 2:04 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Lactoferrin-enriched Whey on Iron Status in Females

NCT06232642
View directory record Official record
Conditions
Serum Ferritin
Interventions
Lactoferrin, iron and B12 in Whey Protein, Lactoferrin, Iron and B12 in Rice Protein, Lactoferrin, Iron and B12 in Maltrodextrin
Dietary Supplement
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

Evaluation of the Efficacy, Durability, Safety, and Tolerability of RP-G28 in Patients With Lactose Intolerance

NCT03597516
View directory record Official record
Conditions
Lactose Intolerance
Interventions
RP-G28, Placebos
Drug
Lead sponsor
Ritter Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
557 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
35
States / cities
Birmingham, Alabama • Chula Vista, California • Huntington Park, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2019 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Hydrolyzed Collagen and Vitamin C on Explosive Performance

NCT04437758
View directory record Official record
Conditions
Collagen Synthesis, Rate of Force (RFD) Development
Interventions
Collagen and Vitamin C powder mix nutritional intervention, Maltodextrin placebo powder, Maximum power training exercise
Dietary Supplement · Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 30 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Onnit Labs New Mood Supplementation in Healthy College Students

NCT05109923
View directory record Official record
Conditions
Mental Health Wellness 1
Interventions
Multi-Ingredient Herbal Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of Idaho
Other
Eligibility
18 Years to 24 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Moscow, Idaho
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Solarplast (R) Supplementation Effects Following High-intensity Resistance Exercise

NCT06432868
View directory record Official record
Conditions
Muscle Damage
Interventions
Solarplast (R), Placebo
Dietary Supplement
Lead sponsor
Kent State University
Other
Eligibility
18 Years to 35 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional

Geriatric Recovery Using Inpatient and Post-hospitalization Supplementation

NCT03904615
View directory record Official record
Conditions
Aging
Interventions
Whey Protein, Collagen Protein, Placebo
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
65 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Blueberry Consumption on Gastrointestinal Health

NCT03934177
View directory record Official record
Conditions
Obesity, Circadian Dysregulation
Interventions
Blueberry powder, Placebo powder
Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Lincoln, Nebraska • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 19, 2026, 2:04 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The Role of Microbiome Reprogramming on Liver Fat Accumulation

NCT03914495
View directory record Official record
Conditions
NAFLD
Interventions
Inulin, Placebo
Dietary Supplement
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
35 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of the Combination of Nitrate and Caffeine on Critical Power In Trained Male Cyclists

NCT07501806
View directory record Official record
Conditions
Exercise Performance of Fit Athletes, Exercise Performance, Cycling Performance
Interventions
Dietary Nitrate, Caffeine, Placebo
Dietary Supplement · Other
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial to Evaluate Dietary Supplements to Maintain Gut Health During Travel

NCT04605783
View directory record Official record
Conditions
Diarrhea
Interventions
Travelan®, Placebo
Dietary Supplement · Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
851 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
4
States / cities
Honolulu, Hawaii • Marine Corps Base Camp Lejeune, North Carolina • Portsmouth, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

BacterioPHAGE for Gastrointestinal Health 2 Study

NCT04511221
View directory record Official record
Conditions
Mild Gastrointestinal Symptoms in Healthy Adults
Interventions
Bifidobacterium animals subsp. lactis BL04+PreforPro, Bifidobacterium animals subsp. lactis BL04, Placebo
Dietary Supplement · Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tolerability and Functional Assessment of a Novel Children's Synbiotic

NCT04534036
View directory record Official record
Conditions
Constipation, Signs and Symptoms, Digestive Signs and Symptoms, Infrequent or Difficult Evacuation
Interventions
PDS-08, Placebo
Dietary Supplement · Other
Lead sponsor
Seed Health
Industry
Eligibility
3 Years to 17 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Exercise and Protein During Weight Loss

NCT03600311
View directory record Official record
Conditions
Weight Loss, Starvation
Interventions
Caloric Restriction, Post-Exercise Protein, Energy Balance, Post-Exercise Carbohydrate, Calcium and Vitamin D
Other · Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Berberine and Dihydroberberine and Their Impact on Glycemia

NCT05021341
View directory record Official record
Conditions
Glycemia
Interventions
Berberine, Dihydroberberine 200, Dihydroberberine 100, Placebo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

The Effects of Probiotic Supplementation on Markers of Muscle Damage and Performance Following Exercise Induced Muscle Damage

NCT02520583
View directory record Official record
Conditions
Probiotics
Interventions
Lactic acid bacteria and bifidobacteria, Placebo
Dietary Supplement · Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2016 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Training and Milk Supplementation

NCT04509297
View directory record Official record
Conditions
Muscular Hypertrophy
Interventions
high protein milk, Placebo
Dietary Supplement
Lead sponsor
Marymount University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2020 · Synced Oct 19, 2026, 2:04 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 19, 2026, 2:04 PM EDT