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ClinicalTrials.gov public records Last synced Oct 30, 2026, 3:01 PM EDT

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Showing 25–48 of 159 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Multivitamins Clear all
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 28, 2020 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Not applicable Interventional

Isoflavones & Lycopene in Localized Prostate Ca:Prior to Radical Prostatectomy

NCT00042731
View directory record Official record
Conditions
Prostate Cancer
Interventions
Lycopene, Multivitamin, Soy isoflavones
Dietary Supplement
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
45 Years to 80 Years · Male only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
5
States / cities
Phoenix, Arizona • Tampa, Florida • Savannah, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Partnership to Improve Nutrition and Adiposity in Prenatal Clinical Care: a Pilot and Feasibility Study

NCT02520167
View directory record Official record
Conditions
Pregnancy
Interventions
Dietary and Lifestyle Counseling
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Strategies to Reduce Iron Deficiency

NCT02245321
View directory record Official record
Conditions
Iron Deficiency
Interventions
Ferrous gluconate- 19 mg, Ferrous gluconate- 38 mg, Letter Group- Information Provided, Letter - No Information Provided, Placebo
Dietary Supplement · Other
Lead sponsor
Westat
Other
Eligibility
18 Years to 100 Years
Enrollment
702 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
4
States / cities
Farmington, Connecticut • Rockville, Maryland • Pittsburgh, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 30, 2026, 3:01 PM EDT
Recruiting Not applicable Interventional

Mom Multi Postnatal Supplementation Trial

NCT07303595
View directory record Official record
Conditions
Postnatal Care
Interventions
Perelel Mom Multi, Placebo
Dietary Supplement
Lead sponsor
Perelel Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 30, 2026, 3:01 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of Jump Start Nutrition Program on Weight Loss and Associated Measures

NCT05443269
View directory record Official record
Conditions
Weight Loss
Interventions
Jump Start Nutritional Program
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Oct 30, 2026, 3:01 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Investigate the Effect of a Multivitamin, Multi-nutrient Supplement on Mental and Emotional Wellbeing

NCT07146321
View directory record Official record
Conditions
Menopause
Interventions
multi-vitamin, multi-nutrient, Placebo
Dietary Supplement
Lead sponsor
Biologica Inc
Industry
Eligibility
43 Years to 55 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 30, 2026, 3:01 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Vitamin D Supplementation in the Prevention and Mitigation of COVID-19 Infection

NCT04482673
View directory record Official record
Conditions
COVID-19, Vitamin D Deficiency, Respiratory Viral Infection
Interventions
Daily Vitamin D3, Daily placebo, Bolus vitamin D3, Bolus placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
50 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2023 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Phase 2 Interventional Results available

Prospective Analysis of the Use of N-Acetylcysteine and Vitamins in the Treatment of TBI in Geriatric Patients

NCT04291066
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
N-Acetyl cysteine
Drug
Lead sponsor
HonorHealth Research Institute
Other
Eligibility
60 Years to 100 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Phase 1Phase 2 Interventional

Intravenous Micronutrient Therapy (IVMT) for Fibromyalgia

NCT00067405
View directory record Official record
Conditions
Fibromyalgia
Interventions
Intravenous micronutrient therapy
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 22, 2008 · Synced Oct 30, 2026, 3:01 PM EDT
Terminated Phase 2 Interventional Results available

IRX-2 Regimen in Treating Women With Cervical Squamous Intraepithelial Neoplasia 3 or Squamous Vulvar Intraepithelial Neoplasia 3

NCT03267680
View directory record Official record
Conditions
Cervical Squamous Cell Carcinoma In Situ, Vulvar High Grade Squamous Intraepithelial Lesion
Interventions
Cyclophosphamide, Indomethacin, IRX-2, Laboratory Biomarker Analysis, Multivitamin, Omeprazole, Placebo, Therapeutic Conventional Surgery
Drug · Biological · Other + 2 more
Lead sponsor
University of Southern California
Other
Eligibility
25 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Los Angeles, California • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 13, 2025 · Synced Oct 30, 2026, 3:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

NCT03360435
View directory record Official record
Conditions
Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
Interventions
Patch MD MultiVitamin Plus patch
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 30, 2026, 3:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

COcoa Supplement and Multivitamin Outcomes Study for the Mind

NCT03035201
View directory record Official record
Conditions
Cognitive Impairment, Dementia, Aging
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years and older
Enrollment
2,262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Oct 30, 2026, 3:01 PM EDT
Not listed Phase 3 Interventional

Vitamin E in Aging Persons With Down Syndrome

NCT00056329
View directory record Official record
Conditions
Down Syndrome, Alzheimer Disease
Interventions
Vitamin E, multivitamin, Placebo
Drug
Lead sponsor
New York State Institute for Basic Research
Government
Eligibility
50 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
14
States / cities
Farmington, Connecticut • Tampa, Florida • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated May 4, 2012 · Synced Oct 30, 2026, 3:01 PM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes Management Using a Very Low Carbohydrate Versus Standard Diet

NCT03710928
View directory record Official record
Conditions
Type1diabetes
Interventions
very low carbohydrate diet, standard carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 30, 2026, 3:01 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

COcoa Supplement and Multivitamin Outcomes Study: Effects on Falls and Physical Performance

NCT05232669
View directory record Official record
Conditions
Fall, Physical Performance, Fracture
Interventions
Cocoa extract, Cocoa extract placebo, Multivitamin, Multivitamin placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older
Enrollment
21,442 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Phase 2Phase 3 Interventional

Prometa Pharmacotherapy for Methamphetamine Dependence

NCT00260481
View directory record Official record
Conditions
Drug Abuse, Drug Dependence
Interventions
Prometa, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 30, 2026, 3:01 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
View directory record Official record
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 30, 2026, 3:01 PM EDT
Terminated Not applicable Interventional

The Pittsburgh Vitamin D Study: Vitamin D Supplementation in Vitamin D-deficient Subjects at Risk of Lung Cancer

NCT02532062
View directory record Official record
Conditions
Deficiency of Vitamin D3, COPD
Interventions
Cholecalciferol, multivitamin, Placebo
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating the Effects of Cocoa Flavanol on Cognition Assessed Online

NCT04582617
View directory record Official record
Conditions
Aging, Cognitive Change
Interventions
Cocoa Extract, Cocoa Extract Placebo, Multivitamin, Multivitamin placebo
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
65 Years and older
Enrollment
3,959 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Randomized Trial of Iron Supplementation to Prevent Anemia in Very-low-birth-weight Infants

NCT01224236
View directory record Official record
Conditions
Anemia
Interventions
Iron Supplement, control
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 8 Weeks
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 19, 2015 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Phase 2 Interventional Results available

IRX-2 Regimen in Patients With Newly Diagnosed Stage II, III, or IVA Squamous Cell Carcinoma of the Oral Cavity

NCT02609386
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Oral Cavity
Interventions
IRX-2, Cyclophosphamide, Indomethacin, Zinc-containing multivitamin, Omeprazole
Biological · Drug · Dietary Supplement
Lead sponsor
Brooklyn ImmunoTherapeutics, LLC
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
13
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Oct 30, 2026, 3:01 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

COcoa Supplement and Multivitamin Outcomes Study

NCT02422745
View directory record Official record
Conditions
Cardiovascular Disease, Cancer
Interventions
Cocoa extract, Multivitamin, Cocoa extract placebo, Multivitamin placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older
Enrollment
21,442 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 30, 2026, 3:01 PM EDT
Recruiting Phase 1 Interventional

Edetate Calcium Disodium or Succimer in Treating Patients With Acute Myeloid Leukemia or Myelodysplastic Syndrome Undergoing Chemotherapy

NCT03630991
View directory record Official record
Conditions
Acute Myeloid Leukemia, Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome, Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Chronic Myelogenous Leukemia, BCR-ABL1 Positive, High Risk Myelodysplastic Syndrome, Myelodysplastic Syndrome, Myelodysplastic/Myeloproliferative Neoplasm, Myeloproliferative Neoplasm, Recurrent Acute Myeloid Leukemia, Recurrent Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Recurrent Myelodysplastic Syndrome, Recurrent Myelodysplastic/Myeloproliferative Neoplasm, Refractory Acute Myeloid Leukemia, Refractory Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Refractory Myelodysplastic Syndrome, Secondary Acute Myeloid Leukemia, Secondary Myelodysplastic Syndrome, Very High Risk Myelodysplastic Syndrome
Interventions
Edetate Calcium Disodium, Multivitamin, Succimer
Drug · Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
1 Year and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 30, 2026, 3:01 PM EDT