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ClinicalTrials.gov public records Last synced Jun 26, 2026, 8:11 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Obesity, Pediatric, Obesity, Childhood, Obesity, Morbid, Vitamin D Deficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
5 Years to 11 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Completed Phase 4 Interventional Results available

Omega-3 Supplementation to ADHD Medication in Children

NCT02204410
Conditions
Attention Deficit Hyperactivity Disorder, Deficient Emotional Self-Regulation
Interventions
Omega-3 Fatty Acid, ADHD Medication
Dietary Supplement · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Aging, Sarcopenia
Interventions
Peanut Protein Powder, Full body resistance training
Dietary Supplement · Behavioral
Lead sponsor
Auburn University
Other
Eligibility
50 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Auburn, Alabama
Conditions
Anemia, Sickle Cell
Interventions
Glutamine, Placebo
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Completed Not applicable Interventional Results available

Anti-inflammatory Effects of the Fiber

NCT02868788
Conditions
Type 2 Diabetes
Interventions
dietary fiber, HFHC meal
Dietary Supplement · Other
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Resveratrol Supplementation on Exercise Performance and Recovery

NCT06723119
Conditions
Effect of Resveratrol on Performance and Recovery
Interventions
Resveratrol (VRES) 500 mg oral once daily., Placebo 500 mg oral once daily.
Other
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

NCT01385098
Conditions
Obesity, Vitamin D Deficiency
Interventions
Vitamin D3 and Calcium
Dietary Supplement
Lead sponsor
Vadim Sherman, MD
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Houston, Texas
Conditions
Head Trauma
Interventions
Docosahexaenoic Acid (DHA)
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Type 1 Diabetes Mellitus
Interventions
Vitamin D
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
1 Year to 18 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
Stress Fracture
Interventions
Calcium & Vitamin D
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
Female only
Enrollment
5,201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Effect of Fatty Acids on Memory Performance of Toddlers
Interventions
Flaxseed oil, corn oil
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Months to 16 Months
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Omega-3 fatty acid diet supplementation, safflower oil
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Skeletal Muscle Response to Amino Acids and Load Carriage Exercise

NCT01714479
Conditions
Muscle Loss, Muscle Anabolism, Muscle Performance
Interventions
Leucine-enriched nutritional supplement, Placebo
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Natick, Massachusetts
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Curcumin and Function in Older Adults

NCT03085680
Conditions
Older Adults, Physical Function, Cognitive Function
Interventions
Curcumin, microcrystalline cellulose
Drug
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 99 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Nitrite Supplementation for Improving Physiological Function in Older Adults

NCT02393742
Conditions
Ageing
Interventions
Sodium nitrite, Placebo
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
60 Years to 79 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boulder, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Body Composition, and Sleep

NCT03603041
Conditions
Sleep, Body Composition, Strength, Insulin Sensitivity, Energy Expenditure
Interventions
Whey protein, Omega-3 fatty acids
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
Up to 85 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fayetteville, Arkansas
Conditions
Benign Colorectal Neoplasm, Non-Neoplastic Anal Disorder
Interventions
Dietary Fiber, Proctoscopy or anoscopy with Biopsy, Colonoscopy, Questionnaire Administration
Dietary Supplement · Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Deficient Emotional Self-Regulation (DESR)
Interventions
ADHD Medication, Omega-3 Fatty Acids
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Not applicable Interventional

Vitamin D Supplementation in IBS

NCT03148288
Conditions
Irritable Bowel Syndrome, Vitamin D Deficiency, Abdominal Pain
Interventions
Vitamin D, placebo
Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Oral Liposomal Glutathione Supplementation in Healthy Subjects

NCT02278822
Conditions
Healthy
Interventions
Low dose oral liposomal glutathione supplementation, High dose oral liposomal glutathione supplementation
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
50 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Hershey, Pennsylvania
Conditions
Myocardial Infarction, Death, Sudden, Cardiac
Interventions
Omega-3 Fatty Acids (Fish Oil Supplements), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Broccoli Seed Extract and Skin Health

NCT05745636
Conditions
Skin Inflammation
Interventions
Broccoli, mustard, vitamin C, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
25 Years to 57 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Study of Effects of L-Arginine in Colitis and Colon Cancer

NCT01091558
Conditions
Ulcerative Colitis, Colon Cancer
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Blood Flow Restriction and Creatine Supplementation in Women

NCT05877417
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