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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Non-Supplementation Group Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Docosahexaenoic Acid (DHA) Supplementation in High Risk Pregnancies

NCT04069195
View directory record Official record
Conditions
Inflammation, Pregnancy Related
Interventions
DHA supplement, Corn Oil: Soybean Oil
Dietary Supplement
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Sep 25, 2026, 10:07 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Protein Supplementation and Fat Mass Loss

NCT03678701
View directory record Official record
Conditions
Obesity
Interventions
Pre-meal 100% whey protein intake
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
19 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance and Aerobic Exercise With Nutritional Supplementation in Men and Women

NCT00812409
View directory record Official record
Conditions
Obesity
Interventions
Whey protein supplementation with exercise, Non protein supplementation with exercise (control)
Dietary Supplement · Other
Lead sponsor
Purdue University
Other
Eligibility
35 Years to 65 Years
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Sep 25, 2026, 10:07 AM EDT
Recruiting Phase 2 Interventional

Enteral Nutrition Versus Standard of Care in Allogeneic Hematopoietic Stem Cell Transplantation

NCT07315165
View directory record Official record
Conditions
Allogeneic Hematopoietic Stem Cell Transplant (Allo-HSCT)
Interventions
Enteral Nutrition
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 25, 2026, 10:07 AM EDT
Recruiting Phase 2 Interventional

Response to Exercise and Nitric Oxide in PAD

NCT06657976
View directory record Official record
Conditions
Peripheral Artery Disease, Exercise, Intermittent Claudication, Nitric Oxide
Interventions
Supervised Treadmill Exercise, Attention Control, Nitrate-Rich Beetroot Juice + supervised exercise therapy, Placebo + supervised exercise therapy
Behavioral · Combination Product
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Blood Flow Restriction and Creatine Supplementation in Women

NCT05877417
View directory record Official record
Conditions
Physical Inactivity
Interventions
Creatine Monohydrate, Blood Flow Restriction, Exercise
Dietary Supplement · Device · Other
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Sep 25, 2026, 10:07 AM EDT
Withdrawn Phase 2 Interventional

Medications After Adolescent Bariatric Surgery

NCT04572217
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Topiramate, Phentermine
Drug
Lead sponsor
Janey Pratt
Other
Eligibility
12 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Nitrate and Physiological Aging

NCT02593305
View directory record Official record
Conditions
Aging
Interventions
Super Beets, Super Beets Placebo
Dietary Supplement
Lead sponsor
Darren P Casey
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 13, 2019 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Supplementation in Warfighters

NCT02954549
View directory record Official record
Conditions
Vitamin D Deficiency Disease
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional

Donor Breast Milk and Breastfeeding Rates

NCT04572581
View directory record Official record
Conditions
Breastfeeding, Exclusive, Breastfeeding
Interventions
Donor Breast Milk
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Up to 3 Days
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing a Novel Phototherapy Kiosk to Oral Vitamin D Supplementation

NCT04556136
View directory record Official record
Conditions
Hypovitaminosis D
Interventions
Standing Phototherapy Kiosk, D3 Oral supplement
Device · Dietary Supplement
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 69 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Sep 25, 2026, 10:07 AM EDT
Withdrawn Phase 4 Interventional

Fibrinogen in Liver Transplant Subjects

NCT06764927
View directory record Official record
Conditions
Liver Transplant Surgery
Interventions
Cryoprecipitate Intercept Fibrinogen Complex (IFC), Cryoprecipitate Antihemophilic Factor (AHF)
Biological
Lead sponsor
Ezeldeen Abuelkasem
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
3
States / cities
Cincinnati, Ohio • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional

Fish Oil and HMB Supplementation in COPD

NCT03796455
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Capsule + Powder supplementation, stable tracer infusion
Dietary Supplement · Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional

Progressing Home Health Rehabilitation for Older Adults

NCT02905370
View directory record Official record
Conditions
Older Adults, Physical Deconditioning
Interventions
Progressive Multi-Component (PMC), Enhanced Usual Care (EUC)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
65 Years to 100 Years
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Sep 25, 2026, 10:07 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

JDS-HF3.0 Supplementation on Menopause Related Quality of Life Outcomes in Postmenopausal Women

NCT07238478
View directory record Official record
Conditions
Joint Discomfort, Joint Pain, Stiffness, Function, Joint Pain, Hot Flashes, Hot Flash, Night Sweats, Vasomotor Symptoms
Interventions
JDS-HF3.0, Placebo
Dietary Supplement · Other
Lead sponsor
Bonafide Health
Industry
Eligibility
50 Years to 70 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Harrison, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Sep 25, 2026, 10:07 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Efficacy Of Tocotrienol a Natural Vitamin E In Biopsy Wound

NCT01579227
View directory record Official record
Conditions
Scar
Interventions
Topical Tocotrienol (TCT), Oral Tocotrienol Capsules (TCT), Tamoxifen Cream, Placebo cream, placebo capsule
Device · Dietary Supplement
Lead sponsor
Chandan K Sen
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Fecal Recovery of the Probiotic Bacteria Lactobacillus Rhamnosus GG (LGG) and Bifidobacterium Animalis Subspecies Lactis BB-12 (BB-12) in Healthy Humans Following Daily Consumption of a Probiotic Supplement

NCT01757054
View directory record Official record
Conditions
Fecal Analysis
Interventions
ProNutrients Probiotic
Dietary Supplement
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2013 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Training With Milk Supplementation in Adolescents

NCT01190592
View directory record Official record
Conditions
Body Composition, Cardiovascular Risk Factors
Interventions
Resistance Training with Milk Supplementation in Adolescents
Other
Lead sponsor
University of Kansas
Other
Eligibility
12 Years to 14 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2011 · Synced Sep 25, 2026, 10:07 AM EDT
Recruiting Phase 2 Interventional

Alanyl-glutamine Supplementation for C. Difficile Treatment (ACT)

NCT04305769
View directory record Official record
Conditions
Clostridioides Difficile Infection, Clostridium Difficile Infection, Clostridium Difficile Diarrhea, Clostridia Difficile Colitis
Interventions
Alanyl-glutamine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 105 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Charlottesville, Virginia • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Sep 25, 2026, 10:07 AM EDT
Active, not recruiting Not applicable Interventional

Dried Plums and Bone Health in Postmenopausal Women

NCT02822378
View directory record Official record
Conditions
Postmenopausal Osteoporosis
Interventions
Dried Plum, Calcium supplement, Vitamin D supplement
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 25, 2026, 10:07 AM EDT
Not listed Not applicable Interventional

Effect of Vitamin D Status and Repletion on Postoperative Total Joint Arthroplasty Complications

NCT04229368
View directory record Official record
Conditions
Hip Arthropathy, Knee Arthropathy, Vitamin D Deficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional

Effect of Protein Intake on Preterm Infant Body Composition

NCT02353013
View directory record Official record
Conditions
Premature; Infant, Light-for-dates
Interventions
Protein supplementation, Standard fortification
Dietary Supplement
Lead sponsor
University of Oklahoma
Other
Eligibility
1 Minute to 1 Year
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Sep 25, 2026, 10:07 AM EDT
Completed Not applicable Interventional Results available

Capnography-Assisted Learned Monitored (CALM) Breathing Therapy for COPD

NCT04786184
View directory record Official record
Conditions
COPD
Interventions
CALM Breathing, Traditional outpatient PR
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 25, 2026, 10:07 AM EDT
Recruiting Phase 2 Interventional

Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients

NCT04677816
View directory record Official record
Conditions
Triple Negative Breast Cancer, Vitamin D Deficiency, Invasive Breast Cancer
Interventions
Standard of Care Neoadjuvant Chemotherapy (NAC), Vitamin D3, Drug Diary
Drug · Dietary Supplement · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 25, 2026, 10:07 AM EDT