Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 12, 2026, 3:08 PM EDT

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Showing 265–288 of 374 matching trials from the live ClinicalTrials.gov search.
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
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
Conditions
Post-Lyme Disease Syndrome (PLDS)
Interventions
ReaLife+ (RLP), Inert Brown powder
Dietary Supplement · Other
Lead sponsor
Optimal Health Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Amyotrophic Lateral Sclerosis
Interventions
PolyMVA
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Pregnancy
Interventions
Perelel Prenatal Vitamin, Generic Prenatal Vitamin
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Hmong Microbiome ANd Gout, Obesity, Vitamin C (HMANGO-C)

NCT04938024
Conditions
Hyperuricemia, Gout
Interventions
Vitamin C
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
X-linked Adrenoleukodystrophy
Interventions
vitamin D3
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Months to 25 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Terminated Not applicable Interventional Accepts healthy volunteers

The Effects of Vitamin C on Acute-Exercise in Postmenopausal Females

NCT07109115
Conditions
Females, Males, Menopause, Sedentary, Healthy Participants
Interventions
Vitamin C (Ascorbic Acid)
Dietary Supplement
Lead sponsor
University of Virginia
Other
Eligibility
45 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Calcium-Rich Food Versus Calcium Carbonate for Bone Health

NCT07763509
Conditions
Osteopenia, Osteoporosis, Bone Health in Perimenopausal Women, Menopause Related Conditions, Fracture Healing
Interventions
500 mg calcium from milk-derived minerals, Calcium Carbonate 500 MG
Other · Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
40 Years to 90 Years · Female only
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Rotator Cuff/Shoulder Structure and Function
Interventions
Placebo (maltodextrin), Multi-nutrient Blend
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Macular Degeneration
Interventions
Omega-3 fatty acid
Dietary Supplement
Lead sponsor
Wills Eye
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
4
States / cities
Cherry Hill, New Jersey • Bethlehem, Pennsylvania • Huntingdon Valley, Pennsylvania + 1 more
Conditions
Older Adults, Bioelectrical Impedance, Appetite Hormones, Metabolic Health, Body Composition Measurement, Cognitive Health
Interventions
Synbiotic supplement
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Natural Product System and Lifestyle Modification

NCT06931977
Conditions
Healthy
Interventions
Supplement system + copaiba softgels, Supplement system + placebo softgels
Dietary Supplement
Lead sponsor
dōTERRA International
Industry
Eligibility
30 Years to 55 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Pleasant Grove, Utah
Conditions
IBD, Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis, Vitamin D3 Deficiency
Interventions
Vitamin D3, Placebo
Dietary Supplement · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Aging, Cognitive Decline, Older Adults, Cardiovascular, Sedentary Behaviors, Immune Senescence, Motor Function
Interventions
Risk managment, Dasatinib, Quercetin (dietary supplement), Vortioxetine
Behavioral · Drug · Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Postmenopausal Osteoporosis
Interventions
Strength/Weight Training & Drug/Supplement, Drug/Supplement only
Other · Combination Product
Lead sponsor
University of Nebraska
Other
Eligibility
35 Years to 75 Years · Female only
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
4
States / cities
Kearney, Nebraska • Lincoln, Nebraska • Omaha, Nebraska + 1 more
Completed Phase 3 Interventional Accepts healthy volunteers

Assessment of DHA On Reducing Early Preterm Birth

NCT02626299
Conditions
Preterm Birth
Interventions
Docosahexaenoic acid - 800mg/day, Docosahexaenoic acid - 200mg/day, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Kansas City, Kansas • Cincinnati, Ohio • Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Healthy and Affordable Protein Rich Foods for African Market

NCT02757508
Conditions
School Feeding Programs and Nutrition Supplements
Interventions
protein powder supplement, Vitamins/minerals
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
6 Years to 9 Years
Enrollment
1,041 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Foot Injuries and Disorders
Interventions
NutraHeal, NutraHeal Plus
Dietary Supplement
Lead sponsor
NutraHeal
Industry
Eligibility
20 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Altoona, Pennsylvania • Ebensburg, Pennsylvania • State College, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Vitamin A Absorption From Fortified Bouillon

NCT06438562
Conditions
Healthy Volunteers, Vitamin A
Interventions
Unfortified bouillon plus vitamin A in oil, Bouillon fortified with vitamin A #1 plus unfortified oil, Bouillon fortified with vitamin A #2 plus unfortified oil
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Cognition, Gut Microbiome
Interventions
Probiotic Supplement, Transcutaneous Vagal Nerve Stimulation (tVNS)
Dietary Supplement · Device
Lead sponsor
University of Florida
Other
Eligibility
35 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Coral Gables, Florida
Conditions
Diabetic Foot Ulcer
Interventions
glucose control nutritional shake, nutrition education
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
30 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tallahassee, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption

NCT00235573
Conditions
Disorder of Vitamin B12
Interventions
Vitamin B12
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 49 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Nutriceutical formulation, Placebo
Dietary Supplement · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
40 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
8
States / cities
Naples, Florida • Baltimore, Maryland • Ayer, Massachusetts + 5 more