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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Dietary Supplements Clear all
Terminated Phase 4 Interventional Results available

Effects of Supplementation With PUFAs and Antioxidants for Contact Lens Discomfort

NCT04163328
View directory record Official record
Conditions
Dry Eye, Contact Lens Complication
Interventions
HydroEye®
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Phase 2 Interventional

Investigating the Use of a Preoperative High-Arginine Nutritional Supplement Prior to Radical Cystectomy

NCT02655081
View directory record Official record
Conditions
Bladder Cancer
Interventions
high arginine nutritional supplement (Nestle's Impact AR)
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Jul 22, 2026, 6:57 AM EDT
Terminated Phase 2 Interventional Results available

Efficacy of Ferric Carboxymaltose in Gastrointestinal Stromal Tumor (GIST) Patients With Iron Deficiency Anemia (IDA) Receiving Systemic Therapy

NCT02949947
View directory record Official record
Conditions
Malignant Neoplasms of Mesothelial and Soft Tissue, Gastrointestinal Stromal Tumor With Neurogenic Differentiation
Interventions
Ferric Carboxymaltose, Iron Supplements, Questionnaire
Drug · Dietary Supplement · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2020 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Phase II Evaluation of AHCC for the Eradication of HPV Infections

NCT02405533
View directory record Official record
Conditions
Human Papilloma Virus, Dysplasia, CIN1, CIN2
Interventions
AHCC 3 grams once a day, Placebo
Dietary Supplement · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
30 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oral Supplement and Acute Resistance Exercise

NCT06801951
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
acute resistance exercise with oral nutrition supplementation, stable tracer infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Jul 22, 2026, 6:57 AM 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 20, 2022 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Maternal Health Diabetes Prevention Study

NCT05343494
View directory record Official record
Conditions
Gestational Diabetes, PreDiabetes, Hyperglycemia, Glucose Intolerance During Pregnancy
Interventions
Lifestyle Intervention
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Multivitamin/Multimineral/Phytochemical Dietary Supplement on Indices of Human Health

NCT03146312
View directory record Official record
Conditions
Healthy
Interventions
MVM/phytochemical supplement, Placebo
Dietary Supplement
Lead sponsor
USANA Health Sciences
Industry
Eligibility
20 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Jul 22, 2026, 6:57 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Effects of a Supplement Derived From Palm Oil on Cholesterol Levels in the Blood

NCT02634606
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
Gamma Delta Tocotrienols - Low Dose, Gamma Delta Tocotrienols - High Dose, Sugar Pill
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
35 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Jul 22, 2026, 6:57 AM EDT
Recruiting Not applicable Interventional

Vaping and Smoking Project in People With Schizophrenia

NCT06944847
View directory record Official record
Conditions
Acute Abstinence From Cigarettes vs E-cigarettes (ENDS)
Interventions
Acute (24-hour) abstinence, Ad libitum smoking/vaping
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Jul 22, 2026, 6:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of an Avocado Dietary Supplement

NCT07354308
View directory record Official record
Conditions
Overweight, Metabolic Health, Insulin Resistance
Interventions
Metavo Supplement, Placebo
Dietary Supplement
Lead sponsor
SP Nutraceuticals Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jul 22, 2026, 6:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Nirvana Super Pro Supplementation in Orthopedic Surgery Patients

NCT06203691
View directory record Official record
Conditions
Arthropathy of Knee, Arthropathy of Hip
Interventions
Supplementation with Nirvana Super Pro Liquid Supplements, Non-Supplementation Group
Dietary Supplement
Lead sponsor
Nirvana Water Sciences Corp
Industry
Eligibility
45 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Altoona, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Jul 22, 2026, 6:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Developing a Nutritional Supplement to Increase Collagen Synthesis in People

NCT06138106
View directory record Official record
Conditions
Dietary Supplements, Connective Tissue, Exercise
Interventions
Natural Product Supplement, Placebo control
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional

Iron Supplement to Improve Iron Status Following Bariatric Surgery

NCT02404012
View directory record Official record
Conditions
Anemia, Iron Deficiency
Interventions
Oral iron supplementation
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutraceutical Supplement With Vegan Botanicals in Females With Self-Perceived Thinning Hair

NCT05332743
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Vegan Women's Hair Supplement
Dietary Supplement
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Manhattan Beach, California • Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Multi-vitamin Supplement in Adult Females

NCT03828097
View directory record Official record
Conditions
Health, Subjective
Interventions
Experimental supplement, Placebo
Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 27, 2020 · Synced Jul 22, 2026, 6:57 AM EDT
Terminated Phase 3 Interventional

Evaluation of an Oral Nutritional Supplement in Older Hospitalized Patients

NCT01477723
View directory record Official record
Conditions
Pneumonia
Interventions
Experimental Oral Nutritional Supplement
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
55 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
12
States / cities
Mobile, Alabama • Chicago, Illinois • Springfield, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2013 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

How Does a Synbiotic Supplement Affect Iron Status During Iron Repletion in Iron Depleted Female Athletes?

NCT03793959
View directory record Official record
Conditions
Iron-deficiency
Interventions
Synbiotic Supplement, Placebo
Dietary Supplement
Lead sponsor
Marywood University
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effects Fortified Nutritional Supplementation on Childhood Cognition

NCT02630667
View directory record Official record
Conditions
Cognitive Ability, General, Dietary Modification
Interventions
SLOW Carbohydrate, MEDIUM Carbohydrate, FAST Carbohydrate
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
9 Years to 10 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron Supplementation and Side Effects

NCT04018300
View directory record Official record
Conditions
Iron Deficiency Anemia, Iron Overload
Interventions
Ferrous sulfate, Aspiron, Placebo
Dietary Supplement · Other
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Jul 22, 2026, 6:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impact of a Novel Brain Longevity Supplement Containing the Postbiotic Urolithin A (Mitopure) on Cognitive Function and Related Health Outcomes

NCT07060898
View directory record Official record
Conditions
Aging, Cognitive Decline, Brain Fog, Cognitive Function
Interventions
Active Product, Placebo Product
Dietary Supplement
Lead sponsor
Amazentis SA
Industry
Eligibility
40 Years and older
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Encinitas, California
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Jul 22, 2026, 6:57 AM EDT
Recruiting Phase 3 Interventional

Effect of Amino Acids on Hepatic Fat Content in Adolescents (AMINOS Study)

NCT05935826
View directory record Official record
Conditions
Hepatic Steatosis, NAFLD, Adolescent Obesity
Interventions
Essential Amino Acid Supplement by Amino Co, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 18 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of PrimaVie and Exercise Training on Human Skeletal Muscle (PrimaVie)

NCT02026414
View directory record Official record
Conditions
Obesity
Interventions
PrimaVie, Exercise
Dietary Supplement · Other
Lead sponsor
Sanni Raju
Industry
Eligibility
21 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Jul 22, 2026, 6:57 AM EDT
Completed Not applicable Interventional

RecoverLINK Technology Pilot for HF Patients

NCT02815085
View directory record Official record
Conditions
Heart Failure
Interventions
RecoverLINK technology
Other
Lead sponsor
RecoverLINK
Industry
Eligibility
Not listed
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Jul 22, 2026, 6:57 AM EDT