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ClinicalTrials.gov public records Last synced Nov 10, 2026, 11:58 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Multivitamin Supplement Clear all

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: 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

Conditions: Healthy Nutrition
Interventions: Multivitamin/mineral supplement A, Multivitamin/mineral supplement B; Dietary Supplement
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years to 32 Years
Enrollment: 17 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022
U.S. locations: 1
States / cities: Davis, California

Conditions: Subjective Memory Loss in Older Persons
Interventions: Cerefolin NAC (a medical food), Cerefolin NAC placebo; Other
Lead sponsor: Rush University Medical Center; Other
Eligibility: 60 Years and older
Enrollment: 104 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2011
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Hip Fracture
Interventions: PUSH, Protein, Nutrition; Behavioral · Dietary Supplement
Lead sponsor: University of Maryland, Baltimore; Other
Eligibility: 60 Years and older
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 2
States / cities: Baltimore, Maryland • Towson, Maryland

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

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: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2026
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Traumatic Brain Injury
Interventions: Multivitamin Supplement intervention; Dietary Supplement
Lead sponsor: Amen Clinics, Inc.; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Newport Beach, California

Conditions: Retinal Drusen, Age-related Macular Degeneration, Macular Degeneration
Interventions: Lumega-Z, AREDS2; Dietary Supplement
Lead sponsor: Guardion Health Sciences, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 79 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018
U.S. locations: 1
States / cities: Austin, Texas

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

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

Conditions: Cancer
Interventions: Structured perioperative nutrition and exercise, Nutrition and Exercise Counseling; Behavioral
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 55 Years and older
Enrollment: 188 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: Durham, North Carolina

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

Conditions: Rectal Cancer, Colorectal Cancer, Rectal Cancer Stage II, Rectal Cancer Stage III
Interventions: Prehabilitation Program; Behavioral
Lead sponsor: Dana-Farber Cancer Institute; Other
Eligibility: 18 Years and older
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 2
States / cities: Boston, Massachusetts

Conditions: Weight Loss
Interventions: Ideal Protein Weight Loss Method, Standard Weight Loss; Behavioral
Lead sponsor: Tulane University; Other
Eligibility: 22 Years to 79 Years
Enrollment: 192 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Bogalusa, Louisiana

Conditions: Healthy, Health Care Worker Patient Transmission, Aging
Interventions: PreserVision AREDS formulation soft gels or tablets, Multivitamin with 11mg of zinc; Dietary Supplement
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 90 Years
Enrollment: 2,700 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 3
States / cities: Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota

Conditions: Metastatic Cancer, Prostate Cancer
Interventions: zoledronic acid, placebo, androgen deprivation therapy, GnRH agonist, Calcium supplement, Vitamin D; Drug · Other · Dietary Supplement
Lead sponsor: Alliance for Clinical Trials in Oncology; Other
Eligibility: 18 Years and older · Male only
Enrollment: 645 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2014
U.S. locations: 238
States / cities: Mobile, Alabama • Fort Smith, Arkansas • Little Rock, Arkansas + 159 more

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

Conditions: Vitamin D Deficiency
Interventions: 400 IU vitamin D3, 2,000 IU Vitamin D3; Dietary Supplement
Lead sponsor: USDA, Western Human Nutrition Research Center; Federal
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2013
U.S. locations: 2
States / cities: Davis, California • Sacramento, California

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

Conditions: Type1diabetes
Interventions: Very low carbohydrate diet; Other
Lead sponsor: Boston Children's Hospital; Other
Eligibility: 18 Years to 40 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2026
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Vitamin Deficiency, Mineral Deficiency, Aging
Interventions: Centrum Silver Mens' Formula, Control; Dietary Supplement · Other
Lead sponsor: Oregon State University; Other
Eligibility: 65 Years and older · Male only
Enrollment: 41 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2021
U.S. locations: 1
States / cities: Corvallis, Oregon

Conditions: Body Weight Changes
Interventions: Meal replacement shake, Multivitamin and mineral capsules, Fish oil with sesame lignans and olive extract softgel, Prebiotic Chewable tablet, Clove Extract and Maqui Berry extract capsule, .Whole Food Blend capsule, Turmeric extract capsule, European White Kidney Bean capsule, Saffron extract capsule, Ubiquinol with Fulvic acid complex softgel, Calcium with Hesperidin and gynostemma extract tablet, Multivitamin and mineral supplement; Dietary Supplement
Lead sponsor: Supplement Formulators, Inc.; Industry
Eligibility: 21 Years to 65 Years
Enrollment: 23 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Fort Lauderdale, Florida

Conditions: Chronic Fatigue Syndrome
Interventions: Nutraceuticals; Drug
Lead sponsor: Columbia University; Other
Eligibility: 20 Years to 70 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2012
U.S. locations: 1
States / cities: New York, New York

Search by objective public record fields.

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

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

Vitamin/Mineral Absorption From Two Different Supplements

Study of the Effects of Cerefolin NAC on Inflammation Blood Markers in Older Individuals With Memory Complaints

PUSH Plus Protein Pilot for Hip Fracture Patients

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

Effects of Ketosis on Brain Function in Patients With T1DM

Single Photon Emission Computed Tomography (SPECT) Imaging Study of Professional American Football Players

Evaluation of a New Eye-specific Multivitamin Formula in Participants at Risk of Age-related Macular Degeneration (AMD)

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

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

Preserving Physical Function in Older Adults With Cancer: Impact of an Optimizing Nutrition Intervention Applied Before and After Surgery

COcoa Supplement and Multivitamin Outcomes Study for the Mind

The Impact of PReOPerative Exercise and NutritionaL Optimization on Perioperative Outcomes for Patients Undergoing Treatment for Rectal Cancer: The PROPEL Trial

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

Zinc Versus Multivitamin Micronutrient Supplementation in the Setting of COVID-19

Zoledronate in Preventing Skeletal (Bone)-Related Events in Men Who Are Receiving Androgen Deprivation Therapy For Prostate Cancer and Bone Metastases

Mom Multi Postnatal Supplementation Trial

Effects of Vitamin D Supplementation During Pregnancy on Clinical Outcomes and Immune Function

Use of Ritual Epost Postnatal Multivitamins During the Postpartum Period

Very Low Carbohydrate Diets and Glucagon Response in T1DM

Role of Centrum® Silver® in Improving Micronutrient Status in Older Men

Evaluate the Effects of Repeated Periods of Modified Fasting to Support Healthy Natural Weight Management and Prevention of Weight Gain

Therapy for Chronic Fatigue Syndrome: A Presumptive Mitochondrial Disorder