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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fiber mix Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Improving the Anabolic Action of Plant-based Foods Using Complementary Proteins

NCT06781723
View directory record Official record
Conditions
Health, Recreational Activities, Muscle Protein Synthetic Response to Protein, Muscle Protein Synthesis
Interventions
Resistance Exercise, Isolated Mixture, Rice and Beans
Behavioral · Dietary Supplement · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 35 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Sep 20, 2026, 6:35 PM EDT
Not listed No phase listed Observational

HR-EGG in Medically Refractory Gastroparesis

NCT05789511
View directory record Official record
Conditions
Gastroparesis, Lung Transplant; Complications
Interventions
High Resolution Electrogastography
Device
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Houston, Texas • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Dietary Fiber on the Gut Microbiome and HDL Particles of Human Subjects

NCT03785860
View directory record Official record
Conditions
Gut Microbiota
Interventions
Dietary Fiber, Placebo
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Sep 20, 2026, 6:35 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Gastrointestinal And Metabolic Effects From a Prebiotic, Lifting, and Aerobic iNtervention

NCT05207488
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Fructooligosaccharides (FOS), Exercise, Placebo
Dietary Supplement · Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gut Health Response to Dietary Fiber

NCT01321736
View directory record Official record
Conditions
Dietary Fiber
Interventions
dietary fiber
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 5, 2013 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Corn and Heart Health Study

NCT03967990
View directory record Official record
Conditions
Gut Microbiome, Cholesterol, LDL, Cholesterol, HDL
Interventions
Refined cornmeal flour, 50/50 refined cornmeal-bran mix, Whole grain cornmeal flour
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 20, 2026, 6:35 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 23, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Assessing the Short-Term Effects of Multi-Fiber Supplementation on Gut Health

NCT07787026
View directory record Official record
Conditions
Mixed Fiber Supplementation for Healthy Adults
Interventions
Prebiotic, Placebo
Dietary Supplement
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Barley and Rice Mixture Effects on Blood Glucose

NCT03387345
View directory record Official record
Conditions
Blood Glucose, Dietary Fiber, Hunger
Interventions
100% steel cut barley, 100% barley flakes, 50/50 rice-barley mix, 80/20 rice-barley mix, 100% rice, white bread
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 1, 2018 · Synced Sep 20, 2026, 6:35 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Berries, Inflammation, and Gut Microbiome

NCT04100200
View directory record Official record
Conditions
Overweight or Obesity, Healthy
Interventions
Mixed berries, FOS, Control, Combination
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 60 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Terminated Phase 4 Interventional

Patiromer Utility as an Adjunct Treatment in Patients Needing Urgent Hyperkalemia Management

NCT04443608
View directory record Official record
Conditions
Hyperkalemia
Interventions
Patiromer Powder for Oral Suspension [Veltassa], Placebo
Drug
Lead sponsor
Comprehensive Research Associates
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
19
States / cities
Stanford, California • New Haven, Connecticut • Newark, Delaware + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Sep 20, 2026, 6:35 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

An Open-Label, Two-Arm Pilot Study of the Tolerability, Consumer Acceptability, and Exploratory Well-Being Outcomes of a Multi-Ingredient Protein Formula in Two Flavors in Healthy Adults

NCT07827014
View directory record Official record
Conditions
Healthy
Interventions
Vanilla Protein Formula, Chocolate Protein Formula
Dietary Supplement
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Soluble Corn Fiber on Gastrointestinal Tolerance and Fecal Microbiome in Healthy Children

NCT05213494
View directory record Official record
Conditions
Gastrointestinal Tolerance
Interventions
Inulin, soluble corn fiber
Other
Lead sponsor
Tate & Lyle
Industry
Eligibility
3 Years to 9 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 27, 2022 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Mix and Glycemic Response

NCT03334643
View directory record Official record
Conditions
Type2 Diabetes Mellitus
Interventions
Fiber mix
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional

Low-Carbohydrate Diabetes Prevention Program Among Veterans With Prediabetes

NCT04881890
View directory record Official record
Conditions
PreDiabetes
Interventions
Low-Carbohydrate Diabetes Prevention Program
Behavioral
Lead sponsor
VA Ann Arbor Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate Effects of Sprinkled Format REDUCOSE in a Carbohydrate-rich, Mixed Meal on Post-prandial Glycemia

NCT04877366
View directory record Official record
Conditions
Dietary Supplement
Interventions
Dietary Supplement: Sprinkled Format REDUCOSE., Reference control, Active comparator
Dietary Supplement · Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 20, 2026, 6:35 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of Gut-Related Well-Being and Mood Effects of a Daily Nutritional Food Ingredient From the Co-Fermentation of Fungal Mycelium (Pleurotus Pulmonarius) and Microalgae (Chlorella Vulgaris)

NCT07407777
View directory record Official record
Conditions
Gastrointestinal Discomfort, Digestive Well Being, Gut-related Symptoms
Interventions
Food ingredient of oyster mushroom mycelium (Pleurotus pulmonarius) and microalgae (Chlorella vulgaris)
Dietary Supplement
Lead sponsor
Koralo GmbH
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Recruiting Not applicable Interventional

Effects of Ketone Ester Consumption on Exercise Tolerance and Cardiac Function

NCT06078683
View directory record Official record
Conditions
Type 2 Diabetes, Ketone Body Metabolism, Ketones, Metabolism
Interventions
Ketone Ester Acute, Placebo Acute
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Enrolling by invitation Not applicable Interventional

Pilot Study to Evaluate Changes in Intra-Epidermal Nerve Fiber Density (IENFD) in Patients With Small-Fiber Neuropathy

NCT07704931
View directory record Official record
Conditions
Small Fiber Neuropathy
Interventions
Evoke SCS system
Device
Lead sponsor
TriCity Research Center
Industry
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Grand Island, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

What's Hopping? Cricket Protein and Human Gut Microbiota

NCT03383341
View directory record Official record
Conditions
Healthy
Interventions
Cricket Protein Powder, Placebo control
Dietary Supplement · Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Avocado and Postprandial Responses

NCT06818032
View directory record Official record
Conditions
Healthy, Healthy Volunteer, Healthy Volunteers, Healthy Adult, Healthy Male and Female Subjects, Healthy Subjects, Healthy Volunteers Only, Healthy Non-smokers
Interventions
Negative control, Avocado, Fat and fiber addition
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Not yet recruiting Phase 2 Interventional

Inulin Supplementation for Reducing Inflammation and Knee Pain in Older Adults With Osteoarthritis

NCT07189585
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
inulin, Maltodextrin (Placebo)
Drug
Lead sponsor
Yale University
Other
Eligibility
40 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

GLOW Study: Effects of Triple Protein in Women

NCT07526571
View directory record Official record
Conditions
Healthy Women
Interventions
Triple protein support, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
30 Years to 60 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 20, 2026, 6:35 PM EDT
Completed Not applicable Interventional

A Low-Carbohydrate Diabetes Prevention Program

NCT03258918
View directory record Official record
Conditions
PreDiabetes
Interventions
Low-Carbohydrate Diabetes Prevention Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 20, 2026, 6:35 PM EDT