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ClinicalTrials.gov public records Last synced Oct 30, 2026, 11:29 AM EDT

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Showing 1–24 of 159 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Multivitamins Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

An Exploratory, Randomized, Blinded, Placebo-Controlled Trial of Folic Acid and L-methylfolate in Parkinson's Disease

NCT00853879
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Folic Acid, Vitamin B6, Vitamin B12, B6, B12, L-methylfolate, B6, B12, Placebo
Dietary Supplement
Lead sponsor
Northwell Health
Other
Eligibility
30 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2015 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 2 Interventional Results available

Effects of an Antioxidant-Enriched Multivitamin Supplement on Inflammation and Oxidative Stress in Cystic Fibrosis

NCT01859390
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
AquADEKs-2, control multivitamin
Drug · Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
15
States / cities
Tucson, Arizona • Aurora, Colorado • Orlando, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2017 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 3 Interventional Results available

Trial to Assess Chelation Therapy 2

NCT02733185
View directory record Official record
Conditions
Diabetes, Myocardial Infarction
Interventions
disodium EDTA, Oral Multi Vitamins/Minerals (OMVM), Placebo disodium EDTA, Placebo Oral Multi Vitamins/Minerals (OMVM)
Drug · Dietary Supplement
Lead sponsor
Mt. Sinai Medical Center, Miami
Other
Eligibility
50 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Miami Beach, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetic Analysis of Nutrient Absorption From a Novel Liposomal Multivitamin/Mineral Formulation

NCT05060367
View directory record Official record
Conditions
Mineral Absorption
Interventions
Liposomal multivitamin/mineral, Standard multivitamin/mineral
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Virus Vaccine Plus Vitamin A and D Supplements for Prevention of Respiratory Virus Infections in Children

NCT02649192
View directory record Official record
Conditions
Healthy Participants
Interventions
Influenza virus vaccine, Vitamins A and D, Placebo
Biological · Dietary Supplement · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 8 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Oct 30, 2026, 11:29 AM EDT
Not listed Phase 2 Interventional

An Open Label Trial to Evaluate the Effects of a Novel Renal Multivitamin on Inflammation and Other Biomarkers in Endstage Renal Disease Patients

NCT00834301
View directory record Official record
Conditions
Hyperphosphatemia, Inflammation, Renal Disease
Interventions
Oral Multivitamin
Dietary Supplement
Lead sponsor
Nephrian
Industry
Eligibility
18 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Simi Valley, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2009 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Results available

Vitamin D Absorption in HIV Infected Young Adults Being Treated With Tenofovir Containing cART

NCT01751646
View directory record Official record
Conditions
HIV Infection
Interventions
Vitamin D3 50,000 IU, Vitamin D3 placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
16
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Kuvan in People With Schizophrenia and Schizoaffective Disorder

NCT01706965
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Kuvan, Multivitamin
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 64 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 30, 2026, 11:29 AM EDT
Active, not recruiting Not applicable Interventional

The TRIABETES - ARMMS-T2D Study: A Randomized Trial to Compare Surgical and Medical Treatments for Type 2 Diabetes

NCT01047735
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 30, 2026, 11:29 AM EDT
Not listed Phase 2 Interventional

The Synergy Trial: Methylphenidate Plus a CFS-Specific Nutrient Formula as a Treatment for Chronic Fatigue Syndrome

NCT01966276
View directory record Official record
Conditions
Chronic Fatigue Syndrome (CFS), Myalgic Encephalomyelitis (ME)
Interventions
Methyl-P plus Nutrient Formula, Methyl-P plus Nutrient matched placebos
Drug
Lead sponsor
K-PAX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Stanford, California • Fort Lauderdale, Florida • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 3 Interventional Results available

Passive Immunity Trial for Our Nation to Treat COVID-19 in Hospitalized Adults

NCT04362176
View directory record Official record
Conditions
COVID-19, Coronavirus, SARS-CoV-2
Interventions
pathogen reduced SARS-CoV-2 convalescent plasma, Placebo
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
974 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
26
States / cities
Little Rock, Arkansas • La Jolla, California • Aurora, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate the Use of the Foundation Pain Index and the Nutritional Supplement BioPlete™ in Adults With Chronic Pain

NCT05278533
View directory record Official record
Conditions
Chronic Pain
Interventions
BioPlete™ Advanced Formula, Placebo
Dietary Supplement
Lead sponsor
Ethos Research & Development
Industry
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Tampa, Florida • West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effectiveness of a Vitamin Mineral Supplement

NCT00153764
View directory record Official record
Conditions
Healthy
Interventions
Cooper Complete One-A-Day Vitamin Supplement
Drug
Lead sponsor
The Cooper Institute
Other
Eligibility
30 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2012 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Results available

Prehabilitation of Veterans With Exercise and Nutrition

NCT04485611
View directory record Official record
Conditions
Frailty
Interventions
Supervised aerobic + resistance training and nutritional support
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 3 Interventional Results available

A Randomized Phase III Study of Vitamins B6 and B12 to Prevent Chemotherapy-Induced Neuropathy in Cancer Patients

NCT00659269
View directory record Official record
Conditions
Cancer
Interventions
Multivitamin (MV), Multivitamin + Vitamin B12 + Vitamin B6, Chemotherapy
Dietary Supplement · Drug
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years and older
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
5
States / cities
Albuquerque, New Mexico • Santa Fe, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional

Effect of Walnuts on Sperm Parameters and Male Fertility

NCT01954498
View directory record Official record
Conditions
Oligozoospermia, Asthenozoospermia, Teratozoospermia, Fertility
Interventions
Walnuts, OTC multivitamin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years and older · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 3 Interventional Results available

Prevention of Osteoporosis in Bone Marrow Transplantation (BMT) Patients

NCT00824993
View directory record Official record
Conditions
Hematological Malignancies
Interventions
Ibandronate, Vitamin Supplements
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Results available

Therapeutic Diets in Alzheimer's Disease

NCT03860792
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Ketogenic Diet, Therapeutic Lifestyles Changes Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Fairway, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 30, 2026, 11:29 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Vitamin D and Physical Activity on Bone Health

NCT01419730
View directory record Official record
Conditions
Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
Interventions
Vitamin D3, Physical Activity
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Vitamin/Mineral Supplement for Children and Adults With Autism

NCT01225198
View directory record Official record
Conditions
Autism
Interventions
Multi-Vitamin/Mineral Supplement, Liquid Placebo
Dietary Supplement · Other
Lead sponsor
Arizona State University
Other
Eligibility
3 Years to 60 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 20, 2010 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers

NCT00565214
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Group 1, Group 2
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2017 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Brains & Behavior: Understanding and Treating Youth Aggression

NCT00842439
View directory record Official record
Conditions
Aggression
Interventions
CBI, NUT
Behavioral · Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
11 Years to 12 Years
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 30, 2026, 11:29 AM EDT
Completed Phase 2Phase 3 Interventional

Efficacy of a Novel Multivitamin-Mineral Supplement in Preventing Vitamin Deficiency in Postoperative Bariatric Patients

NCT01475617
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels, Twin Labs Iron Caps, Rexall Vitamin B12 Tablet
Dietary Supplement
Lead sponsor
Yasoo Health
Industry
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 22, 2015 · Synced Oct 30, 2026, 11:29 AM EDT
Terminated Phase 2 Interventional

Cholecalciferol Supplementation in Strengthening Inspiratory Muscles in Cholecalciferol-Deficient Patients With Chronic Obstructive Pulmonary Disease

NCT02877641
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Muscle Weakness
Interventions
Cholecalciferol, Laboratory Biomarker Analysis, Multivitamin, Placebo, Questionnaire Administration
Dietary Supplement · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 30, 2026, 11:29 AM EDT