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ClinicalTrials.gov public records Last synced Nov 1, 2026, 2:27 PM EST

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Showing 145–159 of 159 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Multivitamins Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Ovarian Morphology and Function in Overweight Women During Weight Loss

NCT01785719
View directory record Official record
Conditions
Weight Loss, Anovulation, Amenorrhea, Infertility
Interventions
Commercial Weight Loss Program
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Nov 1, 2026, 2:27 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Children's Daily Multivitamin on Perceived Growth, Immune Health, Energy, and Focus in Children

NCT07893626
View directory record Official record
Conditions
Nutrient Gap in Children, Pediatric Health and Well-Being, Immune Health, Growth and Development, Energy Levels, Focus and Attention, Dietary Supplementation
Interventions
Hiya Kids Daily Multivitamin
Dietary Supplement
Lead sponsor
Hiya Health
Industry
Eligibility
3 Years to 12 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Nov 1, 2026, 2:27 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Personalized Lifestyle Intervention for Improving Functional Health Outcomes Using N-of-1 Tent-Umbrella-Bucket Design

NCT04005456
View directory record Official record
Conditions
Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
Interventions
Supplements and/or medical foods, Behavioral change support program, Food plan
Dietary Supplement · Behavioral · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Oct 30, 2023 · Synced Nov 1, 2026, 2:27 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Antacid and Multivitamin and Mineral Tablet on the Study Drug GSK1349572

NCT00858455
View directory record Official record
Conditions
Healthy Volunteer
Interventions
GSK1349572 and MaaloxAdvanced Maximum Strength, GSK1349572 and Maalox Advanced Maximum Strength, GSK1349572 and One A Day, GSK1349572
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2009 · Synced Nov 1, 2026, 2:27 PM EST
Completed Phase 2 Interventional Results available

Calcitriol, Physical Activity, and Bone Health in Cancer Survivors

NCT00904033
View directory record Official record
Conditions
Breast Neoplasms, Bone and Bones
Interventions
Calcitriol, Exercise, Multivitamin
Drug · Behavioral · Dietary Supplement
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Nov 1, 2026, 2:27 PM EST
Completed Phase 3 Interventional

Nutrition, Immunology and Epidemiology of Tuberculosis

NCT00197704
View directory record Official record
Conditions
Tuberculosis
Interventions
Multivitamins, Placebo
Dietary Supplement · Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
876 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 11, 2010 · Synced Nov 1, 2026, 2:27 PM EST
Completed No phase listed Observational

Screening Tests in Detecting Colorectal Cancer

NCT00025025
View directory record Official record
Conditions
Colorectal Cancer
Interventions
sample testing
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
65 Years to 80 Years
Enrollment
4,482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
65
States / cities
Tuscon, Arizona • Oakland, California • Aurora, Colorado + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2016 · Synced Nov 1, 2026, 2:27 PM EST
Terminated No phase listed Observational Accepts healthy volunteers

Toxicity and Safety Evaluation of an Omega-3 Fatty Acid and a Multivitamin and Antioxidant Nutritional Preparation

NCT01221714
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
AmeriSciences LP
Industry
Eligibility
21 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Pearl, Mississippi • Charlotte, North Carolina • Logan, West Virginia
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Nov 1, 2026, 2:27 PM EST
Completed Phase 3 Interventional

Trial of Vitamins in HIV Progression and Transmission

NCT00197743
View directory record Official record
Conditions
HIV Infections, Disease Transmission, Vertical
Interventions
Vitamin A + Beta Carotene, Multivitamins, Placebo
Dietary Supplement · Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older · Female only
Enrollment
1,085 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2003
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 11, 2010 · Synced Nov 1, 2026, 2:27 PM EST
Recruiting Not applicable Interventional

Prenatal Study in Healthy Pregnant Women

NCT07226414
View directory record Official record
Conditions
Pregnancy
Interventions
Prenatal Capsule, Prenatal Gummy
Dietary Supplement
Lead sponsor
Perelel Inc.
Industry
Eligibility
21 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Nov 1, 2026, 2:27 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of the Usefulness of Omega 3 Vitamins in the Relief of Hot Flashes in Menopausal Women.

NCT00599456
View directory record Official record
Conditions
Hot Flashes, Menopause
Interventions
Omega 3 fatty acid vitamins, Placebo capsules
Dietary Supplement
Lead sponsor
Christiana Care Health Services
Other
Eligibility
Up to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Nov 1, 2026, 2:27 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Use of Ritual Epost Postnatal Multivitamins During the Postpartum Period

NCT05736562
View directory record Official record
Conditions
Lactation Disorder - Postpartum Condition or Complication, Nutrition, Healthy
Interventions
Ritual Epre Multimineral-Vitamin Supplement, Placebo Control
Dietary Supplement
Lead sponsor
City University of New York
Other
Eligibility
18 Years and older · Female only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Nov 1, 2026, 2:27 PM EST
Completed Not applicable Interventional

Understanding the Mechanism(s) of Action on the Modified Atkins Diet for Epilepsy: Human Brain Tissues

NCT02565966
View directory record Official record
Conditions
Epilepsy
Interventions
Modified Atkins Diet (MAD)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Livingston, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Nov 1, 2026, 2:27 PM EST
Not listed Not applicable Interventional

Neurocognitive Functioning Following The PROMETA® Treatment Protocol In Subjects With Alcohol Dependence

NCT00570388
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Prometa Treatment Program
Drug
Lead sponsor
Institute of Addiction Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 16, 2008 · Synced Nov 1, 2026, 2:27 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Multivitamin and Mineral Supplementation and Healthy Aging

NCT07642869
View directory record Official record
Conditions
Healthy Aging, Multivitamin and Mineral Supplementation
Interventions
MVM Core Blend, MVM Gold Blend, Placebo
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 60 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Nov 1, 2026, 2:27 PM EST