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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Study Oral Nutritional Supplement Clear all
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Study on the Effects of a Dietary Supplement on Stress, Anxiety, Mood and Sleep in a Pediatric Population

NCT07076537
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Dietary Supplement with actives
Dietary Supplement
Lead sponsor
Olly, PBC
Industry
Eligibility
5 Years to 14 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 21, 2025 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 2 Interventional Results available

The Effects of NOx and Conjugated Linoleic Acid on Asthmatics

NCT02433977
View directory record Official record
Conditions
Asthma
Interventions
Conjugated Linolenic Acid, Sodium Nitrite, Sodium Nitrate
Dietary Supplement · Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Sep 28, 2026, 6:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of Shatavari Root Extract in Women's Sexual Wellness

NCT07441083
View directory record Official record
Conditions
Sexual Wellness, Women Health
Interventions
Shatavari (Asparagus racemosus) Root Extract, Placebo Capsule
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
20 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 4 Interventional Results available

Novel Combination Therapy for Osteoporosis in Men

NCT03994172
View directory record Official record
Conditions
Male Osteoporosis
Interventions
Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 85 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional Results available

Multi-Component Prehabilitation for Major Elective Surgery

NCT05752474
View directory record Official record
Conditions
Frailty, Functional Recovery, Prehabilitation
Interventions
Exercise, Nutrition, Meditation, Cognitive Behavioral Intervention
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3

NCT04885803
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Softgel Vitamin D3, Nano Liquid Vitamin D3, 25(OH)D Blood Serum Test, Placebo Control
Dietary Supplement · Diagnostic Test · Other
Lead sponsor
Inspired Life Medical, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Le Sueur, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Sep 28, 2026, 6:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Decentralized Study to Evaluate a Dietary Supplement for Episodes of Mild Acute Stress in Healthy People

NCT07511088
View directory record Official record
Conditions
Situational Anxiety
Interventions
Botanical extract for anxiety, Placebo capsule
Dietary Supplement
Lead sponsor
PLT Health Solutions
Industry
Eligibility
18 Years to 60 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional

A Study Evaluating the Hair Regrowth Efficacy and Safety of ALRV5XR in Male Subjects With Hair Loss

NCT04450589
View directory record Official record
Conditions
Androgenetic Alopecia, Androgenic Alopecia, Telogen Effluvium, Thinning Hair, Hair Loss/Baldness, Hair Thinning
Interventions
ALRV5XR, ALRV5XR Shampoo, ALRV5XR Conditioner, ALRV5XR Hair Follicle Serum (Nutriment), Placebo, Placebo Shampoo, Placebo Conditioner, Placebo Hair Follicle Serum (Nutriment)
Dietary Supplement · Other
Lead sponsor
Arbor Life Labs
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Sep 28, 2026, 6:10 PM EDT
Terminated Not applicable Interventional

Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps

NCT00870961
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
cholecalciferol, placebo
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 15, 2013 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 2 Interventional Results available

Study of Pralatrexate to Treat Participants With Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma

NCT00998946
View directory record Official record
Conditions
Lymphoma, B-Cell
Interventions
Pralatrexate, Vitamin B12, Folic Acid
Drug · Dietary Supplement
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
11
States / cities
Beverly Hills, California • Post Falls, Idaho • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 28, 2026, 6:10 PM EDT
Recruiting Not applicable Interventional

Prehabilitation in High-risk Oncologic Surgery

NCT07638410
View directory record Official record
Conditions
Pancreatic Cancer, Colo-rectal Cancer, Gastric Cancer, Esophageal Cancer, Bladder Cancer, Ovarian Cancer, Abdominal Surgery Complications
Interventions
Multidisciplinary Prehabilitation Program
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 2 Interventional Results available

Fluoxetine Mitigation Mental Health Study for Patients With Musculoskeletal Trauma

NCT04850222
View directory record Official record
Conditions
Musculoskeletal Injury
Interventions
Fluoxetine, Calcium
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 2Phase 3 Interventional

Oral Calcium Supplementation in Labor

NCT07056062
View directory record Official record
Conditions
Uterine Contraction, Labor Complication, Labor Active Dilated Cm, Labor Dystocia, Labor Duration, Labor, Labor Delivery
Interventions
Calcium carbonate
Drug
Lead sponsor
Arrowhead Regional Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Colton, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Efficacy of Daily Vitamin D3 Supplementation in Normal Weight Adolescents

NCT01058720
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pharmacokinetic Comparison of Three Butyrate Products

NCT06700785
View directory record Official record
Conditions
Gastro-Intestinal Disorder
Interventions
Lysine butyrate, Sodium Butyrate, Tributyrin
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
25 Years to 45 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Sep 28, 2026, 6:10 PM EDT
Enrolling by invitation Not applicable Interventional

PET-MRI in Chronic Traumatic Brain Injury (CTBI)

NCT03241732
View directory record Official record
Conditions
Chronic Traumatic Brain Injury
Interventions
Anti-inflammatory Diet, N-acetyl Cysteine, Neuro Emotive Technique
Other · Dietary Supplement · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Villanova, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 1 Interventional

Safety, Tolerability and Effects of L-Arginine in Boys With Dystrophinopathy on Corticosteroids

NCT01388764
View directory record Official record
Conditions
Dystrophinopathy, Duchenne Muscular Dystrophy, Becker's Muscular Dystrophy
Interventions
L-arginine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 11 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2012 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pilot Study of GLY-LOW Supplementation in Postmenopausal Women With Obesity

NCT06242535
View directory record Official record
Conditions
Insulin Resistance, Obesity, Cardiovascular Diseases, Cognitive Impairment, Physical Disability, Depression, Inflammation, Hormone Deficiency, Physical Inactivity, Hyperlipidemias, Hypertension, Overeating
Interventions
GLY-LOW
Biological
Lead sponsor
Hoskinson Health and Wellness Clinic
Industry
Eligibility
56 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Gillette, Wyoming
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Spirulina Oral Supplement for Enhancing Host Resilience to Virus Infection

NCT05447078
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Tolerability of SYNB1618 in Healthy Adult Volunteers and Adult Subjects With Phenylketonuria

NCT03516487
View directory record Official record
Conditions
Phenylketonuria, Healthy
Interventions
SYNB1618, Placebo
Drug
Lead sponsor
Synlogic
Industry
Eligibility
18 Years to 64 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Boston, Massachusetts • Pittsburgh, Pennsylvania • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Sep 28, 2026, 6:10 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Preliminary Investigation of β-hydroxybutyrate Supplementation in Colorectal Cancer Prevention

NCT05338307
View directory record Official record
Conditions
Colorectal Cancer
Interventions
R-1,3-Butanediol
Dietary Supplement
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Iron Supplementation and Intestinal Health

NCT04497012
View directory record Official record
Conditions
Anemia of Prematurity, Very Low Birth Weight Infant
Interventions
2mg/kg/day Iron Sulfate, 6 mg/kg/day Iron Sulfate
Drug
Lead sponsor
University of South Florida
Other
Eligibility
1 Day to 6 Months
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tolerance of an Oral Nutritional Supplement(ONS)

NCT01782456
View directory record Official record
Conditions
Gastro-Intestinal Tolerance
Interventions
Study Oral Nutritional Supplement
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
3 Years to 10 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 2, 2013 · Synced Sep 28, 2026, 6:10 PM EDT
Active, not recruiting Phase 1 Interventional

Microbiota Transplant With Antibiotic Preconditioning and Fiber Supplementation in PAH.

NCT07751120
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
MTT with antibiotic preconditioning + fiber supplementation, MTT with antibiotic preconditioning + placebo supplementation, MTT with placebo + placebo supplementation.
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 27, 2026 · Synced Sep 28, 2026, 6:10 PM EDT